Magic 8-ball: Difference between revisions

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{{draft task}}
 
;Task:
Create Magic 8-Ball.
 
 
Create Magic 8-Ball. See details at:   [https://en.wikipedia.org/wiki/Magic_8-Ball Magic 8-Ball].
 
 
{{Template:strings}}
<br><br>
 
=={{header|11l}}==
{{trans|Python}}
 
<syntaxhighlight lang="11l">V s = [‘It is certain’, ‘It is decidedly so’, ‘Without a doubt’, ‘Yes, definitely’,
‘You may rely on it’, ‘As I see it, yes’, ‘Most likely’, ‘Outlook good’,
‘Signs point to yes’, ‘Yes’, ‘Reply hazy, try again’, ‘Ask again later’,
‘Better not tell you now’, ‘Cannot predict now’, ‘Concentrate and ask again’,
‘Don't bet on it’, ‘My reply is no’, ‘My sources say no’, ‘Outlook not so good’,
‘Very doubtful’]
 
Set[String] qs
 
L
V question = input(‘Ask your question:’)
I question.empty
L.break
 
V answer = random:choice(s)
 
I question C qs
print(‘Your question has already been answered’)
E
qs.add(question)
print(answer)</syntaxhighlight>
 
=={{header|8080 Assembly}}==
 
 
<syntaxhighlight lang="8080asm">bdos: equ 5 ; CP/M calls
puts: equ 9
gets: equ 10
org 100h
lxi d,message ; Print message
mvi c,puts
call bdos
question: lxi d,prompt ; Ask for question
mvi c,puts
call bdos
lxi d,bufdef ; Read answer
mvi c,gets
call bdos
lxi d,newline ; Print newline
mvi c,puts
call bdos
lxi h,buf ; XOR the question w/ the RNG state
mvi b,20
xorouter: lxi d,xabcdat + 1
mvi c,3
xorinner: ldax d
xra m
stax d
inx d
inx h
dcr c
jnz xorinner
dcr b
jnz xorouter
getrnd: call xabcrand ; Generate random number <20
ani 1fh
cpi 20
jnc getrnd
inr a
mov b,a ; That is the number of the message
lxi h,responses ; Skip that many strings
mvi a,'$'
skipstring: cmp m
inx h
jnz skipstring
dcr b
jnz skipstring
xchg ; Print the chosen string
mvi c,puts
call bdos
jmp question ; Get another question
;; RNG to make it a little less predictable
xabcrand: lxi h,xabcdat
inr m ; X++
mov a,m ; X,
inx h ;
xra m ; ^ C,
inx h ;
xra m ; ^ A,
mov m,a ; -> A
inx h
add m ; + B,
mov m,a ; -> B
rar ; >>1
dcx h
xra m ; ^ A,
dcx h
add m ; + C
mov m,a ; -> C
ret
;; Strings
message: db 'Magic 8 Ball$'
newline: db 13,10,'$'
prompt: db 13,10,13,10,'What is your question? '
;; The possible responses
responses: db '$It is certain$It is decidedly so$Without a doubt$'
db 'Yes, definitely$You may rely on it$As I see it, yes$'
db 'Most likely$Outlook good$Signs point to yes$Yes$'
db 'Reply hazy, try again$Ask again later$'
db 'Better not tell you now$Cannot predict now$'
db 'Concentrate and ask again$Don',39,'t bet on it$'
db 'My reply is no$My sources say no$Outlook not so good$'
db 'Very doubtful$'
;; Variables
bufdef: db 60,0 ; 60 = 20*3
buf: equ $ ; question will be XOR'ed with the RNG state
xabcdat: equ buf + 60 ; Point RNG data into uninitialized memory,
; to make it more exciting.
</syntaxhighlight>
 
=={{header|8086 Assembly}}==
This procedure when run displays a random Magic 8-Ball phrase (the list was shortened to 16 different phrases to simplify the random number generation) and outputs it to the console, then exits back to MS-DOS. A 32 bit [[wp:Xorshift|Xorshift]] routine was used to create the random numbers, and it was seeded using the computer's current time.
<syntaxhighlight lang="asm">
.model small
.stack 1024
 
.data
UserRam BYTE 256 DUP(0)
xorshift32_state_lo equ UserRam
xorshift32_state_hi equ UserRam+2
 
Ans0 byte "It is certain.",0
Ans1 byte "It is decidedly so.",0
Ans2 byte "Signs point to yes.",0
Ans3 byte "You can rely on it.",0
Ans4 byte "Most likely.",0
Ans5 byte "Cannot predict now.",0
Ans6 byte "Reply hazy, try again.",0
Ans7 byte "Outlook not so good.",0
Ans8 byte "My sources say no.",0
Ans9 byte "Very doubtful.",0
AnsA byte "Without a doubt.",0
AnsB byte "Outlook good.",0
AnsC byte "Ask again later.",0
AnsD byte "Better not tell you now.",0
AnsE byte "Don't count on it.",0
AnsF byte "Yes.",0
 
AnswerLookup word Ans0,Ans1,Ans2,Ans3,Ans4,Ans5,Ans6,Ans7
word Ans8,Ans9,AnsA,AnsB,AnsC,AnsD,AnsE,AnsF
.code
 
start:
 
mov ax,@data
mov ds,ax
mov ax,@code
mov es,ax
 
CLD ;have LODSB,MOVSB,STOSB,etc. auto-increment
mov ax,03h
int 10h ;sets video mode to MS-DOS text mode. Which the program is already in, so this just clears the screen.
mov ah,2Ch
int 21h ;returns hour:minute in cx, second:100ths of second in dx
mov word ptr [ds:xorshift32_state_lo],dx
mov word ptr [ds:xorshift32_state_hi],cx
call doXorshift32 ;uses the above memory locations as input. Do it three times just to mix it up some more
call doXorshift32
call doXorshift32
mov ax,word ptr[ds:xorshift32_state_lo] ;get the random output from the RNG
and al,0Fh
;keep only the bottom nibble of al, there are only 16 possible messages.
mov bx,offset AnswerLookup
call XLATW
;translates AX using a table of words as a lookup table.
mov si,ax ;use this looked-up value as the source index for our text.
call PrintString ;print to the screen
mov ax,4C00h
int 21h ;return to DOS
 
XLATW:
;input: ds:bx = the table you wish to look up
;AL= the raw index into this table as if it were byte data.
;So don't left shift prior to calling this.
;AH is destroyed.
SHL AL,1
mov ah,al ;copy AL to AH
XLAT ;returns low byte in al
inc ah
xchg al,ah ;XLAT only works with AL
XLAT ;returns high byte in al (old ah)
xchg al,ah
;now the word is loaded into ax, big-endian.
ret</syntaxhighlight>
 
{{out}}
 
This is the output after three separate runs of the program.
<pre>
Cannot predict now.
Signs point to yes.
Better not tell you now.
</pre>
 
=={{header|Action!}}==
<syntaxhighlight lang="action!">PROC Main()
DEFINE PTR="CARD"
DEFINE COUNT="20"
CHAR ARRAY s(256)
PTR ARRAY a(COUNT)
BYTE i
 
a(0)="It is certain."
a(1)="It is decidedly so."
a(2)="Without a doubt."
a(3)="Yes - definitely."
a(4)="You may rely on it."
a(5)="As I see it, yes."
a(6)="Most likely."
a(7)="Outlook good."
a(8)="Yes."
a(9)="Signs point to yes."
a(10)="Reply hazy, try again."
a(11)="Ask again later."
a(12)="Better not tell you now."
a(13)="Cannot predict now."
a(14)="Concentrate and ask again."
a(15)="Don't count on it."
a(16)="My reply is no."
a(17)="My sources say no."
a(18)="Outlook not so good."
a(19)="Very doubtful."
 
DO
PrintE("Enter your question or blank to exit:")
InputS(s)
IF s(0)=0 THEN
EXIT
FI
i=Rand(COUNT)
PrintE(a(i))
PutE()
OD
RETURN</syntaxhighlight>
{{out}}
[https://gitlab.com/amarok8bit/action-rosetta-code/-/raw/master/images/Magic_8-ball.png Screenshot from Atari 8-bit computer]
<pre>
Enter your question or blank to exit:
Do you know me?
Signs point to yes.
 
Enter your question or blank to exit:
Is Action! your favorite language?
Yes.
 
Enter your question or blank to exit:
Is Atari the best 8-bit computer?
Very doubtful.
 
Enter your question or blank to exit:
Are you kidding me?
Concentrate and ask again.
</pre>
 
=={{header|Ada}}==
<syntaxhighlight lang="ada">
<lang Ada>
 
with Ada.Text_IO; use Ada.Text_IO;
Line 62 ⟶ 332:
end Main;
 
</syntaxhighlight>
</lang>
{{out}}
<pre>
Line 78 ⟶ 348:
 
=={{header|ALGOL 68}}==
<langsyntaxhighlight lang="algol68">BEGIN
[]STRING answers = ("It is certain.", "It is decidedly so.",
"Without a doubt.", "Yes - definitely.", "You may rely on it.",
Line 92 ⟶ 362:
print((answers[ENTIER (random * UPB answers) + 1], new line))
OD
END</langsyntaxhighlight>
 
=={{header|AppleScript}}==
<syntaxhighlight lang="applescript"> set the answers to {"It is certain", "It is decidedly so", "Without a doubt", "Yes, definitely", "You may rely on it", "As I see it, yes", "Most likely", "Outlook good", "Signs point to yes", "Yes", "Reply hazy, try again", "Ask again later", "Better not tell you now", "Cannot predict now", "Concentrate and ask again", "Don't bet on it", "My reply is no", "My sources say no", "Outlook not so good", "Very doubtful"}
 
display dialog some item of the answers</syntaxhighlight>
=={{header|Applesoft BASIC}}==
{{trans|Commodore BASIC}}
<syntaxhighlight lang="gwbasic"> 0 DIM F$(19): FOR I = 0 TO 19: READ F$(I): NEXT :M$ = CHR$ (13): DEF FN U(K) = K - 32 * (K > 95): FOR Q = 0 TO 1: HOME : PRINT M$" PRESS ANY KEY TO REVEAL YOUR FORTUNE."M$M$" PRESS Q TO QUIT."M$M$" ";:FO = INT ( RND (1) * 20): GET K$
1 K$ = CHR$ ( FN U( ASC (K$))):Q = K$ = "Q": IF NOT Q THEN HOME : PRINT M$" YOUR FORTUNE READS:"M$M$ SPC( 5);F$(FO)M$M$" AGAIN? (Y/N) ";: GET K$:K$ = CHR$ ( FN U( ASC (K$))):Q = K$ < > "Y"
2 NEXT Q: DATA "IT IS CERTAIN.","IT IS DECIDEDLY SO.","WITHOUT A DOUBT.","YES DEFINITELY.","YOU MAY RELY ON IT.","AS I SEE IT, YES.","MOST LIKELY.","OUTLOOK GOOD.","YES.","SIGNS POINT TO YES."
3 DATA "REPLY HAZY, TRY AGAIN.","ASK AGAIN LATER.","BETTER NOT TELL YOU NOW.","CANNOT PREDICT NOW.","CONCENTRATE AND ASK AGAIN.","DON'T COUNT ON IT.","MY REPLY IS NO.","MY SOURCES SAY NO.","OUTLOOK NOT SO GOOD.","VERY DOUBTFUL."
</syntaxhighlight>
=={{header|Arturo}}==
<syntaxhighlight lang="rebol">answers: [
"It is certain" "It is decidedly so" "Without a doubt"
"Yes, definitely" "You may rely on it" "As I see it, yes"
"Most likely" "Outlook good" "Signs point to yes" "Yes"
"Reply hazy, try again" "Ask again later"
"Better not tell you now" "Cannot predict now"
"Concentrate and ask again" "Don't bet on it"
"My reply is no" "My sources say no" "Outlook not so good"
"Very doubtful"
]
 
while ø [
input "Ask a question: "
print sample answers
]</syntaxhighlight>
 
{{out}}
 
<pre>Ask a question: Do you believe it's gonna rain today?
It is decidedly so
Ask a question: Really?
You may rely on it</pre>
 
=={{header|AutoHotkey}}==
<syntaxhighlight lang="autohotkey">answers := [
(join
"It is certain", "It is decidedly so", "Without a doubt","Yes, definitely",
"You may rely on it", "As I see it, yes","Most likely", "Outlook good",
"Signs point to yes", "Yes","Reply hazy, try again", "Ask again later",
"Better not tell you now", "Cannot predict now","Concentrate and ask again",
"Don't bet on it","My reply is no", "My sources say no", "Outlook not so good",
"Very doubtful"
)]
Ask:
InputBox, Question, Magic 8-Ball, Please ask your question or a blank line to quit.,,, 130
Random, rnd, 1, 20
if !question
ExitApp
MsgBox % answers[rnd]
gosub, Ask
return</syntaxhighlight>
 
=={{header|AWK}}==
<syntaxhighlight lang="awk">
<lang AWK>
# syntax: GAWK -f MAGIC_8-BALL.AWK
BEGIN {
Line 131 ⟶ 456:
exit(0)
}
</syntaxhighlight>
</lang>
{{out}}
<pre>
Line 141 ⟶ 466:
?
</pre>
 
 
=={{header|BASIC}}==
==={{header|BASIC256}}===
{{trans|QBasic}}
<syntaxhighlight lang="basic256">dim answer$(20)
answer$[0] = "It is certain."
answer$[1] = "It is decidedly so."
answer$[2] = "Without a doubt."
answer$[3] = "Yes - definitely."
answer$[4] = "You may rely on it."
answer$[5] = "As I see it, yes."
answer$[6] = "Most likely."
answer$[7] = "Outlook good."
answer$[8] = "Yes."
answer$[9] = "Signs point to yes."
answer$[10] = "Reply hazy, try again."
answer$[11] = "Ask again later."
answer$[12] = "Better not tell you now."
answer$[13] = "Cannot predict now."
answer$[14] = "Concentrate and ask again."
answer$[15] = "Don't count on it."
answer$[16] = "My reply is no."
answer$[17] = "My sources say no."
answer$[18] = "Outlook not so good."
answer$[19] = "Very doubtful."
 
print "Q to quit."
while True
input string "What would you like to know? ", question$
if upper(question$) = "Q" then exit while
print answer$[int(rand * answer$[?])]
print
end while
end</syntaxhighlight>
 
==={{header|Chipmunk Basic}}===
{{works with|Chipmunk Basic|3.6.4}}
{{trans|Commodore BASIC}}
<syntaxhighlight lang="qbasic">100 cls
110 data "It is certain.","It is decidedly so."
120 data "Without a doubt.","Yes - definitely."
130 data "You may rely on it.","As I see it, yes."
140 data "Most likely.","Outlook good."
150 data "Yes.","Signs point to yes."
160 data "Reply hazy, try again.","Ask again later."
170 data "Better not tell you now.","Cannot predict now."
180 data "Concentrate and ask again.","Don't count on it."
190 data "My reply is no.","My sources say no."
200 data "Outlook not so good.","Very doubtful."
210 dim m8ball$(20)
220 for i = 0 to 19
230 read m8ball$(i)
240 next i
250 randomize timer
260 input "What would you like to know? ",q$
270 print m8ball$(int(rnd(20)))
280 end</syntaxhighlight>
 
==={{header|IS-BASIC}}===
<syntaxhighlight lang="is-basic">100 PROGRAM "Magic8.bas"
110 RANDOMIZE
120 STRING ANSWER$(1 TO 20)*26
130 FOR I=1 TO 20
140 READ ANSWER$(I)
150 NEXT
160 CLEAR SCREEN
170 PRINT "Magic 8-ball":PRINT "Q to quit.":PRINT
180 DO
190 INPUT PROMPT "What would you like to know? ":QUESTION$
200 IF LCASE$(QUESTION$)="q" THEN EXIT DO
210 PRINT ANSWER$(RND(20)+1):PRINT
220 LOOP
230 DATA It is certain.,It is decidedly so.,Without a doubt.
240 DATA Yes - definitely.,You may rely on it.,"As I see it, yes."
250 DATA Most likely.,Outlook good.,Yes.
260 DATA Signs point to yes.,"Reply hazy, try again.",Ask again later.
270 DATA Better not tell you now.,Cannot predict now.,Concentrate and ask again.
280 DATA Don't count on it.,My reply is no.,My sources say no.
290 DATA Outlook not so good.,Very doubtful.</syntaxhighlight>
 
==={{header|MSX Basic}}===
{{works with|MSX BASIC|any}}
{{trans|Commodore BASIC}}
<syntaxhighlight lang="qbasic">100 CLS
110 DATA "It is certain.","It is decidedly so."
120 DATA "Without a doubt.","Yes - definitely."
130 DATA "You may rely on it.","As I see it, yes."
140 DATA "Most likely.","Outlook good."
150 DATA "Yes.","Signs point to yes."
160 DATA "Reply hazy, try again.","Ask again later."
170 DATA "Better not tell you now.","Cannot predict now."
180 DATA "Concentrate and ask again.","Don't count on it."
190 DATA "My reply is no.","My sources say no."
200 DATA "Outlook not so good.","Very doubtful."
210 DIM m$(20)
220 FOR i = 0 TO 19
230 READ m$(i)
240 NEXT i
260 INPUT "What would you like to know? "; q$
270 PRINT m$(INT(RND(20)))
280 END</syntaxhighlight>
 
==={{header|QBasic}}===
{{works with|QBasic}}
{{works with|QuickBasic|4.5}}
<syntaxhighlight lang="qbasic">DIM answer$(19)
FOR i = 0 TO UBOUND(answer$): READ answer$(i): NEXT i
RANDOMIZE TIMER
 
PRINT "Q to quit."
DO
INPUT "What would you like to know? ", question$
IF UCASE$(question$) = "Q" THEN EXIT DO
PRINT answer$(INT(RND * UBOUND(answer$)))
PRINT
LOOP
END
 
DATA "It is certain.","It is decidedly so."
DATA "Without a doubt.","Yes – definitely."
DATA "You may rely on it.","As I see it, yes."
DATA "Most likely.","Outlook good.","Yes."
DATA "Signs point to yes.","Reply hazy, try again."
DATA "Ask again later.","Better not tell you now."
DATA "Cannot predict now.","Concentrate and ask again."
DATA "Don't count on it.","My reply is no."
DATA "My sources say no.","Outlook not so good."
DATA "Very doubtful."</syntaxhighlight>
 
==={{header|Quite BASIC}}===
The [[#MSX Basic|MSX Basic]] solution works without any changes.
 
==={{header|True BASIC}}===
{{trans|QBasic}}
<syntaxhighlight lang="qbasic">DIM answer$(20)
FOR i = 1 to ubound(answer$)
READ answer$(i)
NEXT i
DATA "It is certain.", "It is decidedly so."
DATA "Without a doubt.", "Yes – definitely."
DATA "You may rely on it.", "As I see it, yes."
DATA "Most likely.", "Outlook good.", "Yes."
DATA "Signs point to yes.", "Reply hazy, try again."
DATA "Ask again later.", "Better not tell you now."
DATA "Cannot predict now.", "Concentrate and ask again."
DATA "Don't count on it.", "My reply is no."
DATA "My sources say no.", "Outlook not so good."
DATA "Very doubtful."
 
RANDOMIZE
PRINT "Q to quit."
DO
INPUT prompt "What would you like to know? ": question$
IF ucase$(question$) = "Q" then EXIT DO
PRINT answer$(int(rnd*ubound(answer$)))
PRINT
LOOP
END</syntaxhighlight>
 
==={{header|Yabasic}}===
{{trans|QBasic}}
<syntaxhighlight lang="yabasic">dim answer$(19)
for i = 0 to arraysize(answer$(),1): read answer$(i): next i
 
print "Q to quit."
do
input "What would you like to know? " question$
if upper$(question$) = "Q" then end : fi
print answer$(int(ran(arraysize(answer$(),1))))
print
loop
 
data "It is certain.","It is decidedly so."
data "Without a doubt.","Yes – definitely."
data "You may rely on it.","As I see it, yes."
data "Most likely.","Outlook good.","Yes."
data "Signs point to yes.","Reply hazy, try again."
data "Ask again later.","Better not tell you now."
data "Cannot predict now.","Concentrate and ask again."
data "Don//t count on it.","My reply is no."
data "My sources say no.","Outlook not so good."
data "Very doubtful."</syntaxhighlight>
 
 
=={{header|C}}==
{{trans|Kotlin}}
<langsyntaxhighlight lang="c">#include <stdio.h>
#include <stdlib.h>
#include <time.h>
Line 172 ⟶ 681:
if (question) free(question);
return 0;
}</langsyntaxhighlight>
 
{{output}}
Line 195 ⟶ 704:
 
=={{header|C++}}==
<langsyntaxhighlight Cpplang="cpp">#include <array>
#include <cstdlib>
#include <ctime>
Line 238 ⟶ 747:
std::cout << answers[std::rand() % answers.size()] << '\n';
}
}</langsyntaxhighlight>
 
=={{header|C#}}==
<syntaxhighlight lang="csharp">
using System;
 
namespace newProg
{
 
class Program
{
static void Main(string[] args)
{
string[] answers =
{
"It is certain.",
"It is decidedly so.",
"Without a doubt.",
"Yes – definitely.",
"You may rely on it.",
"As I see it, yes.",
"Most likely.",
"Outlook good.",
"Yes.",
"Signs point to yes.",
"Reply hazy, try again.",
"Ask again later",
"Better not tell you now.",
"Cannot predict now.",
"Concentrate and ask again.",
"Don't count on it.",
"My reply is no.",
"My sources say no.",
"Outlook not so good.",
"Very doubtful."
};
 
while (true)
{
Random rnd = new Random();
int result = rnd.Next(0, 19);
 
Console.WriteLine("Magic 8 Ball! Ask question and hit a key for the answer!");
 
string inp = Console.ReadLine();
Console.WriteLine(answers[result]);
 
}
}
}
}
 
 
</syntaxhighlight>
 
=={{header|CFEngine}}==
 
<syntaxhighlight lang="cfengine3">
#!/var/cfengine/bin/cf-agent --no-lock
bundle agent __main__
{
methods: "rosettacode_org:magic_8_ball";
}
body file control
{
namespace => "rosettacode_org";
}
bundle agent magic_8_ball
{
vars:
"_responses"
slist => {
"It is certain", "It is decidedly so", "Without a doubt",
"Yes definitely", "You may rely on it", "As I see it yes",
"Most likely", "Outlook good", "Signs point to yes", "Yes",
"Reply hazy try again", "Ask again later",
"Better not tell you now", "Cannot predict now",
"Concentrate and ask again", "Don't bet on it",
"My reply is no", "My sources say no", "Outlook not so good",
"Very doubtful",
};
"_selected_response"
int => randomint( 0, length( _responses) ),
unless => isvariable( "$(this.namespace):$(this.promiser)" );
 
"_consideration_time"
int => randomint( 3, 5),
unless => isvariable( "$(this.namespace):$(this.promiser)" );
 
commands:
"/bin/sleep $(_consideration_time)"
inform => "false",
handle => "consider",
depends_on => { "think" },
comment => "This magic 8 ball takes a few seconds to consider the answer
after you bring your question to mind.";
 
reports:
"Think about your question ..."
handle => "think";
 
"Response: $(with)"
with => nth( _responses, $(_selected_response) ),
depends_on => { "consider" };
}
</syntaxhighlight>
 
See https://docs.cfengine.com/docs/master/examples.html for a more complete example and introduction.
 
=={{header|Clojure}}==
<langsyntaxhighlight lang="clojure">
(def responses
["It is certain" "It is decidedly so" "Without a doubt"
Line 256 ⟶ 873:
(read-line)
(println (rand-nth responses)))
</syntaxhighlight>
</lang>
 
=={{header|CMake}}==
<syntaxhighlight lang="cmake">CMAKE_MINIMUM_REQUIRED(VERSION 3.6)
 
PROJECT(EightBall)
 
SET(CMAKE_DISABLE_SOURCE_CHANGES ON)
SET(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
 
LIST(APPEND RESPONSES "It is certain." "It is decidedly so." "Without a doubt.")
LIST(APPEND RESPONSES "Yes - definitely." "You may rely on it.")
LIST(APPEND RESPONSES "As I see it yes." "Most likely." "Outlook good.")
LIST(APPEND RESPONSES "Yes." "Signs point to yes." "Reply hazy try again.")
LIST(APPEND RESPONSES "Ask again later." "Better not tell you now.")
LIST(APPEND RESPONSES "Cannot predict now." "Concentrate and ask again.")
LIST(APPEND RESPONSES "Don't count on it." "My reply is no.")
LIST(APPEND RESPONSES "My sources say no." "Outlook not so good." "Very doubtful.")
 
FUNCTION(RANDOM_RESPONSE)
STRING(RANDOM LENGTH 1 ALPHABET 01 TENS)
STRING(RANDOM LENGTH 1 ALPHABET 0123456789 UNITS)
MATH(EXPR INDEX "${TENS}${UNITS}")
LIST(GET RESPONSES ${INDEX} RESPONSE)
MESSAGE(STATUS "Question: ${QUESTION}")
MESSAGE(STATUS "Response: ${RESPONSE}")
ENDFUNCTION(RANDOM_RESPONSE)
 
OPTION(QUESTION "User's input question" "")
 
MESSAGE("===================== 8 Ball =====================")
IF(NOT QUESTION)
MESSAGE(STATUS "Welcome to 8 ball! Please provide a question ")
MESSAGE(STATUS "using the flag -DQUESTION=\"my question\"")
ELSE()
RANDOM_RESPONSE()
ENDIF()
MESSAGE("==================================================")
 
 
ADD_CUSTOM_TARGET(${PROJECT_NAME} ALL)
</syntaxhighlight>
No question specified:
<pre>$ cmake -H. -Bbuild
-- The C compiler identification is GNU 8.3.0
-- The CXX compiler identification is GNU 8.3.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
===================== 8 Ball =====================
-- Welcome to 8 ball! Please provide a question
-- using the flag -DQUESTION="my question"
==================================================
-- Configuring done
-- Generating done</pre>
With question then provided as an option:
<pre>cmake -H. -Bbuild -DQUESTION="Am I going to be famous?"
===================== 8 Ball =====================
-- Question: Am I going to be famous?
-- Response: Reply hazy try again.
==================================================
-- Configuring done
-- Generating done</pre>
 
=={{header|COBOL}}==
<syntaxhighlight lang="COBOL">
IDENTIFICATION DIVISION.
PROGRAM-ID. 8BALL.
AUTHOR. Bill Gunshannon
INSTALLATION.
DATE-WRITTEN. 12 March 2024
************************************************************
** Program Abstract:
** Just ask the Magic 8 Ball and all will be revealed.
************************************************************
ENVIRONMENT DIVISION.
DATA DIVISION.
WORKING-STORAGE SECTION.
 
01 ANSWER-TABLE.
10 ANSWER01 PIC X(40)
VALUE "As I see it, yes ".
10 ANSWER02 PIC X(40)
VALUE "Ask again later ".
10 ANSWER03 PIC X(40)
VALUE "Better not tell you now ".
10 ANSWER04 PIC X(40)
VALUE "Cannot predict now ".
10 ANSWER05 PIC X(40)
VALUE "Concentrate and ask again ".
10 ANSWER06 PIC X(40)
VALUE "Don't bet on it ".
10 ANSWER07 PIC X(40)
VALUE "It is certain ".
10 ANSWER08 PIC X(40)
VALUE "It is decidedly so ".
10 ANSWER09 PIC X(40)
VALUE "Most likely ".
10 ANSWER10 PIC X(40)
VALUE "My reply is no ".
10 ANSWER11 PIC X(40)
VALUE "My sources say maybe ".
10 ANSWER12 PIC X(40)
VALUE "My sources say no ".
10 ANSWER13 PIC X(40)
VALUE "Outlook good ".
10 ANSWER14 PIC X(40)
VALUE "Outlook not so good ".
10 ANSWER15 PIC X(40)
VALUE "Reply hazy, try again ".
10 ANSWER16 PIC X(40)
VALUE "Signs point to yes ".
10 ANSWER17 PIC X(40)
VALUE "Very doubtful ".
10 ANSWER18 PIC X(40)
VALUE "Without a doubt ".
10 ANSWER19 PIC X(40)
VALUE "Yes ".
10 ANSWER20 PIC X(40)
VALUE "Yes, definitely ".
10 ANSWER21 PIC X(40)
VALUE "Yes, probably not ".
10 ANSWER22 PIC X(40)
VALUE "You may rely on it ".
10 ANSWER23 PIC X(40)
VALUE "Your question has already been answered ".
01 PRINT-ANSWER REDEFINES ANSWER-TABLE OCCURS 23 TIMES.
10 THE-BALL-SPEAKS PIC X(40).
 
01 RND PIC 99999.
01 QUESTION PIC X(72).
01 GREETING PIC X(30)
VALUE "Ask and all will be revealed!!".
PROCEDURE DIVISION.
Main-Program.
DISPLAY GREETING.
ACCEPT QUESTION.
MOVE FUNCTION CURRENT-DATE(1:16) TO RND.
PERFORM 8-BALL.
 
STOP RUN.
 
8-BALL.
COMPUTE RND =
FUNCTION RANDOM(RND) * 11111.
DISPLAY PRINT-ANSWER(FUNCTION MOD(RND, 23)).
END-PROGRAM.
 
</syntaxhighlight>
 
=={{header|Commodore BASIC}}==
<syntaxhighlight lang="commodorebasicv2">
10 dim f$(19):for i=0 to 19:read f$(i):next
20 print chr$(147);chr$(14)
30 print "Press any key to reveal your fortune."
40 print:print "Press Q to quit.":print
50 fo=int(rnd(1)*20):get k$:if k$="" then 50
60 if k$="q" then print "Good luck!":end
70 print "Your fortune reads:"
80 print spc(5);f$(fo):print
90 print "Again? (Y/N)"
100 get k$:if k$="" then 100
110 if k$="y" then goto 20
120 end
1000 data "It is certain.","It is decidedly so."
1010 data "Without a doubt.","Yes – definitely."
1020 data "You may rely on it.","As I see it, yes."
1030 data "Most likely.","Outlook good.","Yes."
1040 data "Signs point to yes.","Reply hazy, try again."
1050 data "Ask again later.","Better not tell you now."
1060 data "Cannot predict now.","Concentrate and ask again."
1070 data "Don't count on it.","My reply is no."
1080 data "My sources say no.","Outlook not so good."
1090 data "Very doubtful."
</syntaxhighlight>
 
=={{header|Craft Basic}}==
<syntaxhighlight lang="basic">title "Magic 8 Ball"
 
resize 0, 0, 340, 150
center
 
bgcolor 0, 0, 255
cls graphics
 
formid 1
formtext "Think of a question and select the magic button."
staticform 10, 10, 310, 20
bgcolor 0, 0, 0
fgcolor 255, 0, 255
colorform
 
formid 2
formtext "Magic Button"
buttonform 115, 50, 100, 20
bgcolor 255, 0, 0
fgcolor 0, 0, 255
colorform
 
do
 
 
if forms = 2 then
 
gosub magicbutton
 
endif
 
button k, 27
 
wait
 
loop k = 0
 
end
 
sub magicbutton
 
let r = int(rnd * 20) + 1
 
if r = 1 then
 
alert "It is certain."
 
endif
 
if r = 2 then
 
alert "It is decidedly so."
 
endif
 
if r = 3 then
 
alert "Without a doubt."
 
endif
 
if r = 4 then
 
alert "Yes – definitely."
 
endif
 
if r = 5 then
 
alert "You may rely on it."
 
endif
 
if r = 6 then
 
alert "As I see it", comma, " yes."
 
endif
 
if r = 7 then
 
alert "Most likely."
 
endif
 
if r = 8 then
 
alert "Outlook good."
 
endif
 
if r = 9 then
 
alert "Yes."
 
endif
 
if r = 10 then
 
alert "Signs point to yes."
 
endif
 
if r = 11 then
 
alert "Reply hazy", comma, " try again."
 
endif
 
if r = 12 then
 
alert "Ask again later."
 
endif
 
if r = 13 then
 
alert "Better not tell you now."
 
endif
 
if r = 14 then
 
alert "Cannot predict now."
 
endif
 
if r = 15 then
 
alert "Concentrate and ask again."
 
endif
 
if r = 16 then
 
alert "Don't count on it."
 
endif
 
if r = 17 then
 
alert "My reply is no."
 
endif
 
if r = 18 then
 
alert "My sources say no."
 
endif
 
if r = 19 then
 
alert "Outlook not so good."
 
endif
 
if r = 20 then
 
alert "Very doubtful."
 
endif
 
return</syntaxhighlight>
 
=={{header|D}}==
<syntaxhighlight lang="d">import std.random, std.stdio, std.string;
 
const string[] responses = ["It is certain", "It is decidedly so",
"Without a doubt", "Yes, definitely",
"You may rely on it", "As I see it, yes",
"Most likely", "Outlook good", "Signs point to yes",
"Yes", "Reply hazy, try again", "Ask again later",
"Better not tell you now", "Cannot predict now",
"Concentrate and ask again", "Don't bet on it",
"My reply is no", "My sources say no",
"Outlook not so good", "Very doubtful"];
 
void main()
{
string question = "";
auto rnd = Random(unpredictableSeed);
int index = -1;
 
writeln("Welcome to 8 ball! Please enter your question to ");
write("find the answers you seek.");
write("Type 'quit' to exit.", "\n\n");
 
while(true)
{
write("Question: ");
question = stdin.readln();
if(strip(question) == "quit")
{
break;
}
write("Response: ");
index = uniform(0, 20, rnd);
write(responses[index], "\n\n");
}
}
</syntaxhighlight>
Output:
<pre>Welcome to 8 ball! Please enter your question to find the answers you seek.
Type 'quit' to exit.
 
Question: Am I rich?
Response: Without a doubt</pre>
 
=={{header|Delphi}}==
{{libheader| System.SysUtils}}
{{libheader| windows}}
{{Trans|C#}}
<syntaxhighlight lang="delphi">
program Magic_8_ball;
 
{$APPTYPE CONSOLE}
 
uses
System.SysUtils,
windows;
 
// https://stackoverflow.com/questions/29794559/delphi-console-xe7-clearscreen
procedure ClearScreen;
var
stdout: THandle;
csbi: TConsoleScreenBufferInfo;
ConsoleSize: DWORD;
NumWritten: DWORD;
Origin: TCoord;
begin
stdout := GetStdHandle(STD_OUTPUT_HANDLE);
Win32Check(stdout <> INVALID_HANDLE_VALUE);
Win32Check(GetConsoleScreenBufferInfo(stdout, csbi));
ConsoleSize := csbi.dwSize.X * csbi.dwSize.Y;
Origin.X := 0;
Origin.Y := 0;
Win32Check(FillConsoleOutputCharacter(stdout, ' ', ConsoleSize, Origin, NumWritten));
Win32Check(FillConsoleOutputAttribute(stdout, csbi.wAttributes, ConsoleSize,
Origin, NumWritten));
Win32Check(SetConsoleCursorPosition(stdout, Origin));
end;
 
const
answers: array[0..19] of string = ('It is certain.', 'It is decidedly so.',
'Without a doubt.', 'Yes – definitely.', 'You may rely on it.',
'As I see it, yes.', 'Most likely.', 'Outlook good.', 'Yes.',
'Signs point to yes.', 'Reply hazy, try again.', 'Ask again later',
'Better not tell you now.', 'Cannot predict now.',
'Concentrate and ask again.', 'Don''t count on it.', 'My reply is no.',
'My sources say no.', 'Outlook not so good.', 'Very doubtful.');
 
begin
Randomize;
while True do
begin
writeln('Magic 8 Ball! Ask question and hit ENTER key for the answer!');
readln;
ClearScreen;
writeln(answers[Random(length(answers))], #10#10#10);
writeln('(Hit ENTER key to ask again)');
readln;
ClearScreen;
end;
end.</syntaxhighlight>
{{out}}
<pre>Magic 8 Ball! Ask question and hit ENTER key for the answer!</pre>
<pre>Reply hazy, try again.
 
 
 
(Hit ENTER key to ask again)</pre>
 
=={{header|EasyLang}}==
<syntaxhighlight>
answers$[] = [ "It is certain" "It is decidedly so" "Without a doubt" "Yes, definitely" "You may rely on it" "As I see it, yes" "Most likely" "Outlook good" "Signs point to yes" "Yes" "Reply hazy, try again" "Ask again later" "Better not tell you now" "Cannot predict now" "Concentrate and ask again" "Don't bet on it" "My reply is no" "My sources say no" "Outlook not so good" "Very doubtful" ]
print "q to quit."
repeat
print "What would you like to know? "
q$ = input
until q$ = "q"
print answers$[randint len answers$[]]
.
</syntaxhighlight>
 
=={{header|Factor}}==
<langsyntaxhighlight lang="factor">USING: io kernel random sequences ;
IN: rosetta-code.magic-8-ball
 
Line 276 ⟶ 1,368:
 
[ "? : " write flush readln empty? [ f ]
[ phrases random print t ] if ] loop</langsyntaxhighlight>
{{out}}
<pre>
Line 283 ⟶ 1,375:
Yes
? : Are cats secretly alien spies?
 
Signs point to yes
? : Am I a genius?
Line 289 ⟶ 1,380:
? :
</pre>
 
=={{header|FreeBASIC}}==
<syntaxhighlight lang="freebasic">dim as string answer(0 to 19) = { "It is certain.", "It is decidedly so.", "Without a doubt.", "Yes – definitely.",_
"You may rely on it.", "As I see it, yes.", "Most likely.", "Outlook good.",_
"Yes.", "Signs point to yes.", "Reply hazy, try again.", "Ask again later.",_
"Better not tell you now.", "Cannot predict now.", "Concentrate and ask again.", "Don't count on it.",_
"My reply is no.", "My sources say no.", "Outlook not so good.", "Very doubtful." }
 
dim as string question
randomize timer
 
print "Q to quit."
do
input "What would you like to know? ", question
if ucase(question)="Q" then exit do
print answer(int(rnd*20))
print
loop</syntaxhighlight>
 
=={{header|FOCAL}}==
{{works with |FOCAL| for 6502 processors, string handling may be different in PDP-8/11-type flavors.}}
{{based on the BASIC versions}}
<syntaxhighlight lang="focal">
 
 
1.09 S FRAN(-1);C randomize
1.10 S FISL(80,A$);C set length to 80 char.
1.20 T !"Magic 8-Ball (Q to quit)"!!
1.30 T "What would you like to know?"!
1.40 S FSTI(80,A$(0),13);C input from console to A$, CR delimited
1.42 S Z=A$(0);I (Z-81) , 50.1;C Capital Q, if first char = then branch
1.44 S Z=A$(0);I (Z-113) , 50.1;C lowercase q, if first char = then branch
 
1.50 T !
1.60 S R=FINT(FRAN(0)*20+1);C get a random integer 1-20
1.70 D R*2;C 'do' calculated response subroutine
1.80 T !!"What else would you like to know?"!;G 1.4;C loop up to A$ input
 
2.10 T "It is certain.";R;C print a response and return from subroutine
4.10 T "It is decidedly so.";R;C etc.....
6.10 T "Without a doubt.";R
8.10 T "Yes - definitely.";R
10.10 T "You may rely on it.";R
12.10 T "As I see it, yes.";R
14.10 T "Most likely.";R
16.10 T "Outlook good.";R
18.10 T "Yes.";R
20.10 T "Signs point to yes.";R
22.10 T "Reply hazy, try again.";R
24.10 T "Ask again later.";R
26.10 T "Better not tell you now.";R
28.10 T "Cannot predict now.";R
30.10 T "Concentrate and ask again.";R
32.10 T "Don't count on it.";R
34.10 T "My reply is no.";R
36.10 T "My sources say no.";R
38.10 T "Outlook not so good.";R
40.10 T "Very doubtful.";R
50.10 T !"Thanks for consulting Magic 8-Ball for your life choices."!
50.20 Q
 
</syntaxhighlight>
 
=={{header|Forth}}==
Line 296 ⟶ 1,449:
Responses are created as executable routines that return their Execution token to the Forth Data Stack.
The responses are retrieved from the data stack and compiled into a vector table, after which it is trivial for RANDOM to select any response.
<LANGsyntaxhighlight lang="forth">\ magic eight ball Rosetta Code
INCLUDE RANDOM.FS
DECIMAL
Line 331 ⟶ 1,484:
BEGIN CR ." ? :" PAD 80 ACCEPT 0>
WHILE CR 19 RANDOM MAGIC8BALL CR
REPEAT ;</LANGsyntaxhighlight>
Test at the console<pre> ok
GO
Line 348 ⟶ 1,501:
 
? :</pre>
 
=={{header|Fortran}}==
<syntaxhighlight lang="fortran">PROGRAM EIGHT_BALL
CHARACTER(LEN=100) :: RESPONSE
CHARACTER(LEN=100) :: QUESTION
CHARACTER(LEN=100), DIMENSION(20) :: RESPONSES
REAL :: R
 
CALL RANDOM_SEED()
 
RESPONSES(1) = "It is certain"
RESPONSES(2) = "It is decidedly so"
RESPONSES(3) = "Without a doubt"
RESPONSES(4) = "Yes, definitely"
RESPONSES(5) = "You may rely on it"
RESPONSES(6) = "As I see it, yes"
RESPONSES(7) = "Most likely"
RESPONSES(8) = "Outlook good"
RESPONSES(9) = "Signs point to yes"
RESPONSES(10) = "Yes"
RESPONSES(11) = "Reply hazy, try again"
RESPONSES(12) = "Ask again later"
RESPONSES(13) = "Better not tell you now"
RESPONSES(14) = "Cannot predict now"
RESPONSES(15) = "Concentrate and ask again"
RESPONSES(16) = "Don't bet on it"
RESPONSES(17) = "My reply is no"
RESPONSES(18) = "My sources say no"
RESPONSES(19) = "Outlook not so good"
RESPONSES(20) = "Very doubtful"
 
WRITE(*,*) "Welcome to 8 Ball! Ask a question to find the answers"
WRITE(*,*) "you seek, type either 'quit' or 'q' to exit", NEW_LINE('A')
 
DO WHILE(.TRUE.)
PRINT*, "Ask your question: "
READ(*,*) QUESTION
IF(QUESTION == "q" .OR. QUESTION == "quit") THEN
CALL EXIT(0)
ENDIF
CALL RANDOM_NUMBER(R)
PRINT*, "Response: ", TRIM(RESPONSES(FLOOR(R*20))), NEW_LINE('A')
ENDDO
END PROGRAM EIGHT_BALL</syntaxhighlight>
Output:
<pre> Welcome to 8 Ball! Ask a question to find the answers
you seek, type either 'quit' or 'q' to exit
 
Ask your question:
Is the future bright?
Response: Signs point to yes</pre>
 
=={{header|Go}}==
{{trans|Kotlin}}
<langsyntaxhighlight lang="go">package main
 
import (
Line 390 ⟶ 1,594:
log.Fatal(err)
}
}</langsyntaxhighlight>
 
{{out}}
Line 410 ⟶ 1,614:
? :
</pre>
=={{header|GW-BASIC}}==
<syntaxhighlight lang="gwbasic">0 DATA "It is certain.", "It is decidedly so."
20 DATA "Without a doubt.", "Yes - definitely."
30 DATA "You may rely on it.", "As I see it, yes."
40 DATA "Most likely.", "Outlook good."
50 DATA "Yes.", "Signs point to yes."
60 DATA "Reply hazy, try again.", "Ask again later."
70 DATA "Better not tell you now.", "Cannot predict now."
80 DATA "Concentrate and ask again.", "Don't count on it."
90 DATA "My reply is no.", "My sources say no."
100 DATA "Outlook not so good.", "Very doubtful."
110 DIM M8BALL$(20)
120 FOR I=0 TO 19
130 READ M8BALL$(I)
140 NEXT I
150 RANDOMIZE TIMER
160 INPUT "What would you like to know? ", Q$
170 PRINT M8BALL$(INT(RND*20))
180 END</syntaxhighlight>
 
=={{header|Haskell}}==
<syntaxhighlight lang="haskell">import System.Random (getStdRandom, randomR)
import Control.Monad (forever)
 
answers :: [String]
answers =
[ "It is certain"
, "It is decidedly so"
, "Without a doubt"
, "Yes, definitely"
, "You may rely on it"
, "As I see it, yes"
, "Most likely"
, "Outlook good"
, "Signs point to yes"
, "Yes"
, "Reply hazy, try again"
, "Ask again later"
, "Better not tell you now"
, "Cannot predict now"
, "Concentrate and ask again"
, "Don't bet on it"
, "My reply is no"
, "My sources say no"
, "Outlook not so good"
, "Very doubtful"]
 
main :: IO ()
main = do
putStrLn "Hello. The Magic 8 Ball knows all. Type your question."
forever $ do
getLine
n <- getStdRandom (randomR (0, pred $ length answers))
putStrLn $ answers !! n</syntaxhighlight>
 
=={{header|J}}==
Any array should work as the possible answers for the left (x) argument to eight_ball .
<syntaxhighlight lang="j">
<lang J>
NB. translated from awk
 
Line 425 ⟶ 1,683:
end.
)
</syntaxhighlight>
</lang>
 
<pre>
Line 437 ⟶ 1,695:
Please enter your question or a blank line to quit.
</pre>
 
=={{header|Java}}==
<syntaxhighlight lang="java">
import java.util.Random;
import java.util.Scanner;
 
public class MagicEightBall {
 
public static void main(String[] args) {
new MagicEightBall().run();
}
private static String[] ANSWERS = new String[] {"It is certain.", "It is decidedly so.", "Without a doubt.", "Yes - definitely.",
"You may rely on it.", "As I see it, yes.", "Most likely.", "Outlook good.", "Yes.", "Signs point to yes.",
"Reply hazy, try again.", "Ask again later.", "Better not tell you now.", "Cannot predict now.", "Concentrate and ask again.",
"Don't count on it.", "My reply is no.", "My sources say no.", "Outlook not so good.", "Very doubtful. "};
 
public void run() {
Random random = new Random();
System.out.printf("Hello. The Magic 8 Ball knows all. Type your question.%n%n");
try ( Scanner in = new Scanner(System.in); ) {
System.out.printf("? ");
while ( (in.nextLine()).length() > 0 ) {
System.out.printf("8 Ball Response: %s%n", ANSWERS[random.nextInt(ANSWERS.length)]);
System.out.printf("? ");
}
}
System.out.printf("%n8 Ball Done. Bye.");
}
}
</syntaxhighlight>
 
{{out}}
<pre>
Hello. The Magic 8 Ball knows all. Type your question.
 
? Is this task hard?
8 Ball Response: Very doubtful.
? Can you code the Magic 8 Ball task?
8 Ball Response: As I see it, yes.
? Are the other Magic 8 Ball programs better?
8 Ball Response: Don't count on it.
?
 
8 Ball Done. Bye.</pre>
 
=={{header|JavaScript}}==
<syntaxhighlight lang="javascript">
<lang JavaScript>
//console
var answers = [ "It is certain", "It is decidedly so", "Without a doubt",
Line 457 ⟶ 1,760:
console.log(answers[Math.floor(Math.random()*answers.length)]);
}
</syntaxhighlight>
</lang>
 
{{output}}
Line 469 ⟶ 1,772:
 
=={{header|Julia}}==
<langsyntaxhighlight lang="julia">const responses = ["It is certain", "It is decidedly so", "Without a doubt",
"Yes, definitely", "You may rely on it", "As I see it, yes", "Most likely",
"Outlook good", "Signs point to yes", "Yes", "Reply hazy, try again",
Line 483 ⟶ 1,786:
println(rand(responses))
end
</langsyntaxhighlight>{{out}}
<pre>
Ask a question (blank to exit):
Line 492 ⟶ 1,795:
Reply hazy, try again
</pre>
 
=={{header|K}}==
{{works with|ngn/k}}<syntaxhighlight lang=K>ask:{` 0:*1?"/"\"It is certain/It is decidedly so/Without a doubt/Yes, definitely/You may rely on it/As I see it, yes/Most likely/Outlook good/Signs point to yes/Yes/Reply hazy, try again/Ask again later/Better not tell you now/Cannot predict now/Concentrate and ask again/Don't bet on it/My reply is no/My sources say no/Outlook not so good/Very doubtful"}</syntaxhighlight>
 
Examples:
 
<syntaxhighlight lang=K>ask "Will this work?"
Signs point to yes
ask "Was this worth doing?"
Without a doubt
ask "Can I have a cookie?"
Yes, definitely</syntaxhighlight>
 
=={{header|Kotlin}}==
<langsyntaxhighlight lang="scala">// Version 1.2.40
 
import java.util.Random
Line 518 ⟶ 1,833:
println("\n$answer")
}
}</langsyntaxhighlight>
 
{{output}}
Line 545 ⟶ 1,860:
 
=={{header|Liberty BASIC}}==
<langsyntaxhighlight lang="lb">data "It is certain","It is decidedly so","Without a doubt","Yes - definitely",_
"You may rely on it","As I see it, yes","Most likely","Outlook good","Yes",_
"Signs point to yes","Reply hazy, try again","Ask again later","Better not tell you now",_
Line 563 ⟶ 1,878:
print "Answer: ";c$(d)
goto [loop]
</syntaxhighlight>
</lang>
{{output}}
Sample session :
Line 573 ⟶ 1,888:
Type your question:
</pre>
 
=={{header|Locomotive Basic}}==
 
<syntaxhighlight lang="locobasic">10 mode 2:defint a-z:randomize time
20 input "Your question (hit Return to quit)";i$
30 if i$="" then print "Goodbye!":end
40 q=1+19*rnd
50 on q gosub 100, 110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 210, 220, 230, 240, 250, 260, 270, 280, 290
60 goto 20
100 print "It is certain":return
110 print "It is decidedly so":return
120 print "Without a doubt":return
130 print "Yes, definitely":return
140 print "You may rely on it":return
150 print "As I see it, yes":return
160 print "Most likely":return
170 print "Outlook good":return
180 print "Signs point to yes":return
190 print "Yes":return
200 print "Reply hazy, try again":return
210 print "Ask again later":return
220 print "Better not tell you now":return
230 print "Cannot predict now":return
240 print "Concentrate and ask again":return
250 print "Don't bet on it":return
260 print "My reply is no":return
270 print "My sources say no":return
280 print "Outlook not so good":return
290 print "Very doubtful":return</syntaxhighlight>
 
=={{header|Lua}}==
<syntaxhighlight lang="lua">math.randomseed(os.time())
answers = {
"It is certain.", "It is decidedly so.", "Without a doubt.", "Yes, definitely.", "You may rely on it.",
"As I see it, yes.", "Most likely.", "Outlook good.", "Signs point to yes.", "Yes.",
"Reply hazy, try again.", "Ask again later.", "Better not tell you now.", "Cannot predict now.", "Concentrate and ask again.",
"Don't bet on it.", "My reply is no.", "My sources say no.", "Outlook not so good.", "Very doubtful."
}
while true do
io.write("Q: ")
question = io.read()
print("A: "..answers[math.random(#answers)])
end</syntaxhighlight>
{{out}}
<pre>Q: Are you truly a magic 8-ball?
A: Very doubtful.
Q: Are you a simulation of one?
A: Most likely.</pre>
 
=={{header|M2000 Interpreter}}==
<syntaxhighlight lang="m2000 interpreter">
<lang M2000 Interpreter>
Module Magic.8.Ball {
answers=("It is certain", "It is decidedly so", "Without a doubt", "Yes, definitely", "You may rely on it", "As I see it, yes", "Most likely", "Outlook good", "Signs point to yes", "Yes", "Reply hazy, try again", "Ask again later", "Better not tell you now", "Cannot predict now", "Concentrate and ask again", "Don't bet on it", "My reply is no", "My sources say no", "Outlook not so good", "Very doubtful")
Line 589 ⟶ 1,952:
}
Magic.8.Ball
</syntaxhighlight>
</lang>
 
=={{header|Mathematica}} / {{header|Wolfram Language}}==
<syntaxhighlight lang="mathematica">answers = {"It is certain.", "It is decidedly so.",
"Without a doubt.", "Yes - definitely.", "You may rely on it.",
"As I see it, yes.", "Most likely.", "Outlook good.", "Yes.",
"Signs point to yes.", "Reply hazy, try again.",
"Ask again later.", "Better not tell you now.",
"Cannot predict now.", "Concentrate and ask again.",
"Don't count on it.", "My reply is no.", "My sources say no.",
"Outlook not so good.", "Very doubtful."};
q = Input["Please enter your question"];
SeedRandom[Hash[q]];
Print[RandomChoice[answers]]</syntaxhighlight>
{{out}}
<pre>[Are you awesome?]Yes - definitely.</pre>
 
=={{header|Maxima}}==
<syntaxhighlight lang="maxima">
set_random_state(make_random_state(true))$
 
block(
responses:["It is certain","It is decidedly so","Without a doubt","Yes definitely","You may rely on it","As I see it, yes","Most likely","Outlook good","Yes","Signs point to yes",
"Reply hazy, try again","Ask again later","Better not tell you now","Cannot predict now","Concentrate and ask again",
"Don't count on it","My reply is no","My sources say no","Outlook not so good","Very doubtful"],
read("Ask a question"),
print(responses[random(20)])
);
</syntaxhighlight>
{{out}}
<pre>
"Ask a question"" ""Are you aware of yourself?";
"My sources say no"
</pre>
 
=={{header|min}}==
{{works with|min|0.19.6}}
<syntaxhighlight lang="min">randomize ; Seed the RNG with current timestamp.
 
(
"It is certain" "It is decidedly so" "Without a doubt"
"Yes, definitely" "You may rely on it" "As I see it, yes"
"Most likely" "Outlook good" "Signs point to yes" "Yes"
"Reply hazy, try again" "Ask again later"
"Better not tell you now" "Cannot predict now"
"Concentrate and ask again" "Don't bet on it"
"My reply is no" "My sources say no" "Outlook not so good"
"Very doubtful"
) =phrases
 
(phrases dup size pred random get puts!) :answer
 
(true) ("Ask a question" ask answer) while</syntaxhighlight>
{{out}}
<pre>
Ask a question: Will concatenative programming catch on?
Outlook not so good
Ask a question: How about functional programming?
Concentrate and ask again
Ask a question: ^C
</pre>
 
=={{header|MiniScript}}==
<langsyntaxhighlight MiniScriptlang="miniscript">answers = ["It is certain", "It is decidedly so", "Without a doubt",
"Yes, definitely", "You may rely on it", "As I see it, yes",
"Most likely", "Outlook good", "Signs point to yes", "Yes",
Line 602 ⟶ 2,025:
print "Ask your question and the Magic 8 Ball will give you the answer!"
input "What is your question?"
print answers[rnd * answers.len]</langsyntaxhighlight>
{{out}}
<pre>
Line 609 ⟶ 2,032:
Cannot predict now
</pre>
 
=={{header|Nim}}==
<syntaxhighlight lang="nim">import random, strutils
 
const Answers = ["It is certain", "It is decidedly so", "Without a doubt",
"Yes, definitely", "You may rely on it", "As I see it, yes",
"Most likely", "Outlook good", "Signs point to yes", "Yes",
"Reply hazy, try again", "Ask again later",
"Better not tell you now", "Cannot predict now",
"Concentrate and ask again", "Don't bet on it",
"My reply is no", "My sources say no", "Outlook not so good",
"Very doubtful"]
 
proc exit() =
echo "Bye."
quit QuitSuccess
 
randomize()
 
try:
while true:
echo "Type your question or an empty line to quit."
stdout.write "? "
let question = stdin.readLine()
if question.strip().len == 0: exit()
echo Answers[rand(19)], ".\n"
except EOFError:
exit()</syntaxhighlight>
 
{{out}}
Example of session (no cheating).
<pre>Type your question or an empty line to quit.
? Is Nim a good language?
As I see it, yes.
 
Type your question or an empty line to quit.
?
Bye.</pre>
 
=={{header|ooRexx}}==
<syntaxhighlight lang="oorexx">
<lang ooRexx>
/* REXX */
a=.array~of("It is certain", "It is decidedly so", "Without a doubt",,
Line 627 ⟶ 2,088:
Say a[random(1,20)]
Say ''
End</langsyntaxhighlight>
{{out}}
<pre>your question:
Line 638 ⟶ 2,099:
 
your question:</pre>
=={{header|Pascal}}==
==={{header|Free Pascal}}===
nearly copy of [[Magic_8-ball#Delphi|Delphi]]
<syntaxhighlight lang="pascal">
program Magic_8_ball;
{$IFDEF WINDOWS}{$APPTYPE CONSOLE}{$ENDIF}
uses
SysUtils,crt;
const
answers: array[0..19] of string = ('It is certain.', 'It is decidedly so.',
'Without a doubt.', 'Yes - definitely.', 'You may rely on it.',
'As I see it, yes.', 'Most likely.', 'Outlook good.', 'Yes.',
'Signs point to yes.', 'Reply hazy, try again.', 'Ask again later',
'Better not tell you now.', 'Cannot predict now.',
'Concentrate and ask again.', 'Don''t count on it.', 'My reply is no.',
'My sources say no.', 'Outlook not so good.', 'Very doubtful.');
begin
Randomize;
repeat
writeln('Magic 8 Ball! Ask question and hit ENTER key for the answer!');
readln;
ClrScr;
writeln(answers[Random(length(answers))],#13#10);
writeln('Hit ESCape to leave');
repeat until keypressed;
ClrScr;
until readkey=#27;
end.
</syntaxhighlight>
{{out}}
<pre>
Magic 8 Ball! Ask question and hit ENTER key for the answer!
Will I find my mobile again :-(
 
Very doubtful.
 
Hit ESCape to leave </pre>
 
=={{header|Perl}}==
<langsyntaxhighlight lang="perl">@a = ('It is certain', 'It is decidedly so', 'Without a doubt', 'Yes, definitely',
'You may rely on it', 'As I see it, yes', 'Most likely', 'Outlook good',
'Signs point to yes', 'Yes', 'Reply hazy, try again', 'Ask again later',
Line 651 ⟶ 2,149:
last unless <> =~ /\w/;
print @a[int rand @a], "\n";
}</langsyntaxhighlight>
 
=={{header|Phix}}==
{{libheader|Phix/pGUI}}
<lang Phix>constant answers = {"As I see it, yes", "Ask again later", "You may rely on it",
{{libheader|Phix/online}}
"Without a doubt", "Don't bet on it", "Outlook not so good",
You can run this online [http://phix.x10.mx/p2js/magic8ball.htm here].
"Signs point to yes", "It is decidedly so", "It is certain",
<!--<syntaxhighlight lang="phix">(phixonline)-->
"Better not tell you now", "My reply is no", "Outlook good",
<span style="color: #008080;">with</span> <span style="color: #008080;">javascript_semantics</span>
"Concentrate and ask again", "Reply hazy, try again", "Yes",
<span style="color: #008080;">constant</span> <span style="color: #000000;">answers</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{</span><span style="color: #008000;">"As I see it, yes"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"Ask again later"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"You may rely on it"</span><span style="color: #0000FF;">,</span>
"Most likely", "Cannot predict now", "My sources say maybe",
<span style="color: #008000;">"Without a doubt"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"Don't bet on it"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"Outlook not so good"</span><span style="color: #0000FF;">,</span>
"My sources say no", "Yes, definitely", "Yes, probably not",
<span style="color: #008000;">"Signs point to yes"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"It is decidedly so"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"It is certain"</span><span style="color: #0000FF;">,</span>
"Very doubtful", "Your question has already been answered"}
<span style="color: #008000;">"Better not tell you now"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"My reply is no"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"Outlook good"</span><span style="color: #0000FF;">,</span>
 
<span style="color: #008000;">"Concentrate and ask again"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"Reply hazy, try again"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"Yes"</span><span style="color: #0000FF;">,</span>
string s = prompt_string("Please enter your question or a blank line to quit:")
<span style="color: #008000;">"Most likely"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"Cannot predict now"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"My sources say maybe"</span><span style="color: #0000FF;">,</span>
if s!="" then printf(1,"%s\n",{answers[rand(length(answers))]}) end if</lang>
<span style="color: #008000;">"My sources say no"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"Yes, definitely"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"Yes, probably not"</span><span style="color: #0000FF;">,</span>
<span style="color: #008000;">"Very doubtful"</span><span style="color: #0000FF;">,</span> <span style="color: #008000;">"Your question has already been answered"</span><span style="color: #0000FF;">}</span>
<span style="color: #008080;">include</span> <span style="color: #000000;">pGUI</span><span style="color: #0000FF;">.</span><span style="color: #000000;">e</span>
<span style="color: #004080;">Ihandle</span> <span style="color: #000000;">dlg</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">vbox</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">question</span><span style="color: #0000FF;">,</span> <span style="color: #000000;">answer</span>
<span style="color: #004080;">sequence</span> <span style="color: #000000;">answered</span> <span style="color: #0000FF;">=</span> <span style="color: #0000FF;">{}</span>
<span style="color: #004080;">bool</span> <span style="color: #000000;">clearkey</span> <span style="color: #0000FF;">=</span> <span style="color: #004600;">false</span>
<span style="color: #008080;">function</span> <span style="color: #000000;">key_cb</span><span style="color: #0000FF;">(</span><span style="color: #004080;">Ihandle</span> <span style="color: #000080;font-style:italic;">/*dlg*/</span><span style="color: #0000FF;">,</span> <span style="color: #004080;">atom</span> <span style="color: #000000;">c</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">if</span> <span style="color: #000000;">c</span><span style="color: #0000FF;">=</span><span style="color: #004600;">K_ESC</span> <span style="color: #008080;">then</span> <span style="color: #008080;">return</span> <span style="color: #004600;">IUP_CLOSE</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span> <span style="color: #000080;font-style:italic;">-- (standard practice for me)</span>
<span style="color: #008080;">if</span> <span style="color: #000000;">c</span><span style="color: #0000FF;">=</span><span style="color: #004600;">K_F5</span> <span style="color: #008080;">then</span> <span style="color: #008080;">return</span> <span style="color: #004600;">IUP_DEFAULT</span> <span style="color: #008080;">end</span> <span style="color: #008080;">if</span> <span style="color: #000080;font-style:italic;">-- (let browser reload work)</span>
<span style="color: #008080;">if</span> <span style="color: #000000;">c</span><span style="color: #0000FF;">=</span><span style="color: #004600;">K_CR</span> <span style="color: #008080;">then</span>
<span style="color: #004080;">string</span> <span style="color: #000000;">q</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupGetAttribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">question</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"VALUE"</span><span style="color: #0000FF;">),</span> <span style="color: #000000;">reply</span>
<span style="color: #008080;">if</span> <span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">q</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">then</span>
<span style="color: #008080;">if</span> <span style="color: #7060A8;">find</span><span style="color: #0000FF;">(</span><span style="color: #000000;">q</span><span style="color: #0000FF;">,</span><span style="color: #000000;">answered</span><span style="color: #0000FF;">)</span> <span style="color: #008080;">then</span>
<span style="color: #000000;">reply</span> <span style="color: #0000FF;">=</span> <span style="color: #008000;">"Your question has already been answered"</span>
<span style="color: #008080;">else</span>
<span style="color: #000000;">answered</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">append</span><span style="color: #0000FF;">(</span><span style="color: #000000;">answered</span><span style="color: #0000FF;">,</span><span style="color: #000000;">q</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">reply</span> <span style="color: #0000FF;">=</span> <span style="color: #000000;">answers</span><span style="color: #0000FF;">[</span><span style="color: #7060A8;">rand</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">length</span><span style="color: #0000FF;">(</span><span style="color: #000000;">answers</span><span style="color: #0000FF;">))]</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<span style="color: #7060A8;">IupSetStrAttribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">answer</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"TITLE"</span><span style="color: #0000FF;">,</span><span style="color: #000000;">reply</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">clearkey</span> <span style="color: #0000FF;">=</span> <span style="color: #004600;">true</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<span style="color: #008080;">elsif</span> <span style="color: #000000;">clearkey</span> <span style="color: #008080;">then</span>
<span style="color: #7060A8;">IupSetAttribute</span><span style="color: #0000FF;">(</span><span style="color: #000000;">question</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"VALUE"</span><span style="color: #0000FF;">,</span><span style="color: #008000;">""</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">clearkey</span> <span style="color: #0000FF;">=</span> <span style="color: #004600;">false</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<span style="color: #008080;">return</span> <span style="color: #004600;">IUP_CONTINUE</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">function</span>
<span style="color: #7060A8;">IupOpen</span><span style="color: #0000FF;">()</span>
<span style="color: #000000;">question</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupText</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"EXPAND=HORIZONTAL"</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">answer</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupLabel</span><span style="color: #0000FF;">(</span><span style="color: #008000;">""</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"EXPAND=HORIZONTAL"</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">vbox</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupVbox</span><span style="color: #0000FF;">({</span><span style="color: #000000;">question</span><span style="color: #0000FF;">,</span><span style="color: #000000;">answer</span><span style="color: #0000FF;">},</span><span style="color: #008000;">`MARGIN=40x40`</span><span style="color: #0000FF;">)</span>
<span style="color: #000000;">dlg</span> <span style="color: #0000FF;">=</span> <span style="color: #7060A8;">IupDialog</span><span style="color: #0000FF;">(</span><span style="color: #000000;">vbox</span><span style="color: #0000FF;">,</span><span style="color: #008000;">`TITLE="Magic 8-ball",SIZE=250x100`</span><span style="color: #0000FF;">)</span>
<span style="color: #7060A8;">IupSetCallback</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">,</span><span style="color: #008000;">"KEY_CB"</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">Icallback</span><span style="color: #0000FF;">(</span><span style="color: #008000;">"key_cb"</span><span style="color: #0000FF;">))</span>
<span style="color: #7060A8;">IupShow</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">if</span> <span style="color: #7060A8;">platform</span><span style="color: #0000FF;">()!=</span><span style="color: #004600;">JS</span> <span style="color: #008080;">then</span>
<span style="color: #7060A8;">IupMainLoop</span><span style="color: #0000FF;">()</span>
<span style="color: #7060A8;">IupHide</span><span style="color: #0000FF;">(</span><span style="color: #000000;">dlg</span><span style="color: #0000FF;">)</span>
<span style="color: #008080;">end</span> <span style="color: #008080;">if</span>
<!--</syntaxhighlight>-->
 
=={{header|PHP}}==
===CLI===
<langsyntaxhighlight lang="php"><?php
 
$fortunes = array(
Line 717 ⟶ 2,258:
 
echo 'A: ', $fortunes[ array_rand( $fortunes ) ], PHP_EOL;
</syntaxhighlight>
</lang>
 
{{Out}}
Line 735 ⟶ 2,276:
Q: Will I move heaven and earth to be together forever with you?
A: It is certain
</pre>
 
=={{header|PL/M}}==
<syntaxhighlight lang="PL/M">
100H:
/*
THE PROCEDURES CLOCK AND RND USE A FEATURE OF PICKLES AND TROUT CP/M2
AND ARE NOT LIKELY TO WORK ON OTHER VERSIONS OF CP/M
*/
 
BDOS: PROCEDURE (FN, ARG) BYTE; DECLARE FN BYTE, ARG ADDRESS; GO TO 5; END BDOS;
EXIT: PROCEDURE; MEMORY(0)=BDOS(0,0); END EXIT;
 
TTYIN: PROCEDURE BYTE; DECLARE C BYTE; RETURN BDOS(1,0); END TTYIN;
 
PRINT: PROCEDURE (S); DECLARE S ADDRESS; S=BDOS(9,S); END PRINT;
 
CLOCK: PROCEDURE;
DECLARE B$ADR ADDRESS; DECLARE B BASED B$ADR BYTE;
B$ADR=047H;
B = 0EH; GO TO 043H; END CLOCK;
 
RND: PROCEDURE ADDRESS;
DECLARE E$ADR ADDRESS; DECLARE E BASED E$ADR BYTE;
DECLARE D$ADR ADDRESS; DECLARE D BASED D$ADR BYTE;
DECLARE L$ADR ADDRESS; DECLARE L BASED L$ADR BYTE;
DECLARE H$ADR ADDRESS; DECLARE H BASED H$ADR BYTE;
DECLARE (NUM, DE, HL) ADDRESS;
E$ADR=048H; D$ADR=049H; L$ADR=04AH; H$ADR=04BH;
CALL CLOCK;
DE = D * 255 + E; HL = H * 255 + L; NUM = DE * HL; RETURN NUM;
END RND;
 
EIGHTBALL: DO;
 
 
DECLARE CR LITERALLY '13';
DECLARE CRLF(3) BYTE INITIAL (13,10,'$');
DECLARE CHR BYTE;
DECLARE NUM ADDRESS;
DECLARE GREETING(30) BYTE INITIAL
('ASK AND ALL WILL BE REVEALED $');
DECLARE MSG01(41) BYTE INITIAL
( 'AS I SEE IT, YES $' );
DECLARE MSG02(41) BYTE INITIAL
( 'ASK AGAIN LATER $' );
DECLARE MSG03(41) BYTE INITIAL
( 'BETTER NOT TELL YOU NOW $' );
DECLARE MSG04(41) BYTE INITIAL
( 'CANNOT PREDICT NOW $' );
DECLARE MSG05(41) BYTE INITIAL
( 'CONCENTRATE AND ASK AGAIN $' );
DECLARE MSG06(41) BYTE INITIAL
( 'DON''T BET ON IT $' );
DECLARE MSG07(41) BYTE INITIAL
( 'IT IS CERTAIN $' );
DECLARE MSG08(41) BYTE INITIAL
( 'IT IS DECIDEDLY SO $' );
DECLARE MSG09(41) BYTE INITIAL
( 'MOST LIKELY $' );
DECLARE MSG10(41) BYTE INITIAL
( 'MY REPLY IS NO $' );
DECLARE MSG11(41) BYTE INITIAL
( 'MY SOURCES SAY MAYBE $' );
DECLARE MSG12(41) BYTE INITIAL
( 'MY SOURCES SAY NO $' );
DECLARE MSG13(41) BYTE INITIAL
( 'OUTLOOK GOOD $' );
DECLARE MSG14(41) BYTE INITIAL
( 'OUTLOOK NOT SO GOOD $' );
DECLARE MSG15(41) BYTE INITIAL
( 'REPLY HAZY, TRY AGAIN $' );
DECLARE MSG16(41) BYTE INITIAL
( 'SIGNS POINT TO YES $' );
DECLARE MSG17(41) BYTE INITIAL
( 'VERY DOUBTFUL $' );
DECLARE MSG18(41) BYTE INITIAL
( 'WITHOUT A DOUBT $' );
DECLARE MSG19(41) BYTE INITIAL
( 'YES $' );
DECLARE MSG20(41) BYTE INITIAL
( 'YES, DEFINITELY $' );
DECLARE MSG21(41) BYTE INITIAL
( 'YES, PROBABLY NOT $' );
DECLARE MSG22(41) BYTE INITIAL
( 'YOU MAY RELY ON IT $' );
DECLARE MSG23(41) BYTE INITIAL
( 'YOUR QUESTION HAS ALREADY BEEN ANSWERED $' );
 
NUM = RND MOD 24;
 
CALL PRINT(.GREETING);
CALL PRINT(.CRLF);
 
DO WHILE CHR <> CR;
CHR = TTYIN;
END;
 
CALL PRINT(.CRLF);
 
DO CASE NUM;
CALL PRINT(.MSG01);
CALL PRINT(.MSG02);
CALL PRINT(.MSG03);
CALL PRINT(.MSG04);
CALL PRINT(.MSG05);
CALL PRINT(.MSG06);
CALL PRINT(.MSG07);
CALL PRINT(.MSG08);
CALL PRINT(.MSG09);
CALL PRINT(.MSG10);
CALL PRINT(.MSG11);
CALL PRINT(.MSG12);
CALL PRINT(.MSG13);
CALL PRINT(.MSG14);
CALL PRINT(.MSG15);
CALL PRINT(.MSG16);
CALL PRINT(.MSG17);
CALL PRINT(.MSG18);
CALL PRINT(.MSG19);
CALL PRINT(.MSG20);
CALL PRINT(.MSG21);
CALL PRINT(.MSG22);
CALL PRINT(.MSG23);
END;
CALL PRINT(.CRLF);
 
CALL EXIT;
 
END;
EOF
 
</syntaxhighlight>
 
=={{header|PureBasic}}==
<syntaxhighlight lang="purebasic">Define.s Magic8="● It is certain."+#LF$+
"● It is decidedly so."+#LF$+
"● Without a doubt."+#LF$+
"● Yes – definitely."+#LF$+
"● You may rely on it."+#LF$+
"● As I see it, yes."+#LF$+
"● Most likely."+#LF$+
"● Outlook good."+#LF$+
"● Yes."+#LF$+
"● Signs point To yes."+#LF$+
"● Reply hazy, try again."+#LF$+
"● Ask again later."+#LF$+
"● Better Not tell you now."+#LF$+
"● Cannot predict now."+#LF$+
"● Concentrate And ask again."+#LF$+
"● Don't count on it."+#LF$+
"● My reply is no."+#LF$+
"● My sources say no."+#LF$+
"● Outlook Not so good."+#LF$+
"● Very doubtful."+#LF$
OpenConsole()
Repeat
Print("MAGIC8: What would you like To know? "): q$=Input()
If Len(q$)=0 : End : EndIf
PrintN(StringField(Magic8,Random(CountString(Magic8,#LF$),1),#LF$))
ForEver</syntaxhighlight>
{{out}}
<pre>MAGIC8: What would you like To know? Do you want me to take over the world?
● Don't count on it.
MAGIC8: What would you like To know? Should I invest all my money in the stagecoach company?
● Yes.
MAGIC8: What would you like To know? Should I order a pepperoni pizza?
● My reply is no.
MAGIC8: What would you like To know?
</pre>
 
=={{header|Python}}==
<langsyntaxhighlight lang="python">import random
 
s = ('It is certain', 'It is decidedly so', 'Without a doubt', 'Yes, definitely',
Line 752 ⟶ 2,464:
question = input('Ask your question:')
if len(question) == 0: break
answer = random.choice(s)
if question in q_and_a:
print('Your question has already been answered')
else:
answer = random.choice(s)
q_and_a[question] = answer
print(answer)</langsyntaxhighlight>
 
{{output}}
Line 773 ⟶ 2,484:
Ask your question:
</pre>
 
=={{header|Quackery}}==
<syntaxhighlight lang="quackery">[ 20 random
[ table
$ "Concentrate and ask again." $ "Yes."
$ "Better not tell you now." $ "Most likely."
$ "Reply hazy, try again." $ "Outlook good."
$ "Outlook not so good." $ "It is certain."
$ "Cannot predict now." $ "Very doubtful."
$ "Signs point to yes." $ "My reply is no."
$ "It is decidedly so." $ "Ask again later."
$ "You may rely on it." $ "Without a doubt."
$ "Don't count on it." $ "Yes - definitely."
$ "My sources say no." $ "As I see it, yes." ]
do echo$ cr ] is 8-ball ( --> )</syntaxhighlight>
 
'''Testing in Quackery shell:'''
 
<pre>/O> 8-ball
...
Reply hazy, try again.
 
Stack empty.
 
/O> 10 times 8-ball
...
As I see it, yes.
It is decidedly so.
Ask again later.
Outlook good.
Without a doubt.
My sources say no.
Signs point to yes.
Don't count on it.
Very doubtful.
Very doubtful.
 
Stack empty.
</pre>
 
=={{header|R}}==
<syntaxhighlight lang="r">eight_ball <- function()
{
responses <- c("It is certain", "It is decidedly so", "Without a doubt",
"Yes, definitely", "You may rely on it", "As I see it, yes",
"Most likely", "Outlook good", "Signs point to yes", "Yes",
"Reply hazy, try again", "Ask again later",
"Better not tell you now", "Cannot predict now",
"Concentrate and ask again", "Don't bet on it",
"My reply is no", "My sources say no", "Outlook not so good",
"Very doubtful")
 
question <- ""
 
cat("Welcome to 8 ball!\n\n", "Please ask yes/no questions to get answers.",
" Type 'quit' to exit the program\n\n")
 
while(TRUE)
{
question <- readline(prompt="Enter Question: ")
if(question == 'quit')
{
break
}
randint <- runif(1, 1, 20)
cat("Response: ", responses[randint], "\n")
}
}
 
if(!interactive())
{
eight_ball()
}</syntaxhighlight>
Output:
<pre>Welcome to 8 ball!
 
Please ask yes/no questions to get answers. Type 'quit' to exit the program
 
Enter Question: Is the future bright?
Response: Ask again later
Enter Question: Is the future positive?
Response: Cannot predict now</pre>
 
=={{header|Racket}}==
<syntaxhighlight lang="text">(define eight-ball-responses
(list "It is certain" "It is decidedly so" "Without a doubt" "Yes definitely" "You may rely on it"
"As I see it, yes" "Most likely" "Outlook good" "Yes" "Signs point to yes"
Line 792 ⟶ 2,585:
(read-line)
(displayln (magic-eightball))
(loop)))</langsyntaxhighlight>
{{out}}
We'll see if it's right.
Line 800 ⟶ 2,593:
{{works with|Rakudo|2018.03}}
 
<syntaxhighlight lang="raku" perl6line>put 'Please enter your question or a blank line to quit.';
 
["It is certain", "It is decidedly so", "Without a doubt", "Yes, definitely",
Line 807 ⟶ 2,600:
"Better not tell you now", "Cannot predict now", "Concentrate and ask again",
"Don't bet on it", "My reply is no", "My sources say no", "Outlook not so good",
"Very doubtful"].roll.put while prompt('? : ').chars;</langsyntaxhighlight>
Output very similar to C, Kotlin and zkl examples.
 
=={{header|REXX}}==
===version 1===
<langsyntaxhighlight lang="rexx">
/* REXX */
Call mk_a "It is certain", "It is decidedly so", "Without a doubt",,
Line 837 ⟶ 2,630:
End
Return
</syntaxhighlight>
</lang>
{{out}}
<pre>your question:
Line 857 ⟶ 2,650:
 
Also, this REXX version appends a period to the phrase as per the (linked) documentation.
<langsyntaxhighlight lang="rexx">/*REXX program simulates the "shaking" of a "Magic 8-ball" and displaying an answer.*/
$="It is certain ÷It is decidedly so ÷Without a doubt÷Yes, definitely÷Signs point to yes",
"÷You may rely on it÷ As I see it, yes÷My reply is no÷Outlook good÷Outlook not so good",
"÷Yes÷Ask again later÷Better not tell you now÷Cannot predict now÷Reply hazy, try again",
"÷Concentrate and ask again÷Don't bet on it÷Most likely÷My sources say no÷Very doubtful"
 
say space(translate(word(translate(translate($, '┼', " "), , '÷'), random(1, 20)), ,"┼")).</lang>
say space(translate(word(translate(translate($, '┼', " "), , '÷'), random(1, 20)), ,"┼")).</syntaxhighlight>
{{out|output|text=&nbsp; when invoking the REXX program:}}
{{out|possible output|text=&nbsp; when invoking the REXX program:}}
<pre>
Reply hazy, try again.
Line 869 ⟶ 2,663:
 
=={{header|Ring}}==
<langsyntaxhighlight lang="ring">
# Project : Magic 8-Ball
 
Line 882 ⟶ 2,676:
index = random(len(answers)-1)+1
see answers[index] + nl
</syntaxhighlight>
</lang>
Output:
<pre>
It is certain
</pre>
=={{header|RPL}}==
{{trans|Quackery}}
{ <span style="color:red">"Concentrate and ask again." "Yes."
"Better not tell you now." "Most likely."
"Reply hazy, try again." "Outlook good."
"Outlook not so good." "It is certain."
"Cannot predict now." "Very doubtful."
"Signs point to yes." "My reply is no."
"It is decidedly so." "Ask again later."
"You may rely on it." "Without a doubt."
"Don't count on it." "Yes - definitely."
"My sources say no." "As I see it, yes."</span> }
RAND <span style="color:red">20</span> * CEIL GET
≫ '<span style="color:blue">'''MAG8B'''</span>' STO
 
=={{header|Ruby}}==
<syntaxhighlight lang="ruby">#!/usr/bin/ruby
 
class EightBall
def initialize
print "Welcome to 8 ball! Ask your question below. "
puts "Type 'quit' to exit the program.\n\n"
@responses = ["It is certain", "It is decidedly so",
"Without a doubt", "Yes, definitely",
"You may rely on it", "As I see it, yes",
"Most likely", "Outlook good",
"Signs point to yes", "Yes",
"Reply hazy, try again", "Ask again later",
"Better not tell you now",
"Cannot predict now",
"Concentrate and ask again", "Don't bet on it",
"My reply is no", "My sources say no",
"Outlook not so good", "Very doubtful"]
end
 
def ask_question
print "Question: "
question = gets
 
if question.chomp.eql? "quit"
exit(0)
end
 
puts "Response: #{@responses.sample} \n\n"
end
 
def run
loop do
ask_question
end
end
end
 
eight_ball = EightBall.new
eight_ball.run
</syntaxhighlight>
Output:
<pre>Welcome to 8 ball! Ask your question below. Type 'quit' to exit the program.
 
Question: Am I rich?
Response: It is decidedly so</pre>
 
=={{header|Rust}}==
{{libheader|rand}}
<langsyntaxhighlight lang="rust">extern crate rand;
 
use rand::prelude::*;
Line 932 ⟶ 2,788:
input_line.clear();
}
}</langsyntaxhighlight>
{{out}}
<pre>
Line 943 ⟶ 2,799:
Can I extend my life time to extend his?
Most likely
</pre>
 
=={{header|Sather}}==
<syntaxhighlight lang="sather">class MAIN is
const answers: ARRAY{STR} :=
|
"It is certain.", "It is decidedly so.",
"Without a doubt.", "Yes - definitely.", "You may rely on it.",
"As I see it, yes.", "Most likely.", "Outlook good.",
"Yes.", "Signs point to yes.", "Reply hazy, try again.",
"Ask again later.", "Better not tell you now.", "Cannot predict now.",
"Concentrate and ask again.", "Don't count on it.", "My reply is no.",
"My sources say no.", "Outlook not so good.", "Very doubtful."
|;
main is
RND::seed := #TIMES.wall_time;
loop
#OUT+"Your question: "; #OUT.flush;
question ::= #IN.get_str;
#OUT+answers[RND::int(0, answers.size-1)] + "\n";
end;
end;
end;</syntaxhighlight>
 
=={{Header|Scala}}==
<syntaxhighlight lang="scala">import scala.util.Random
 
object Magic8Ball extends App {
val shake: () => String = {
val answers = List(
"It is certain.", "It is decidedly so.", "Without a doubt.",
"Yes – definitely.", "You may rely on it.", "As I see it, yes.",
"Most likely.", "Outlook good.", "Yes.", "Signs point to yes.",
"Reply hazy, try again.", "Ask again later", "Better not tell you now.",
"Cannot predict now.", "Concentrate and ask again.", "Don't count on it.",
"My reply is no.", "My sources say no.", "Outlook not so good.",
"Very doubtful."
)
val r = new Random
() => answers(r.nextInt(answers.length))
}
 
println("Ask the Magic 8-Ball your questions. ('q' or 'quit' to quit)\n")
 
while (true) {
io.StdIn.readLine("Question: ").toLowerCase match {
case "q" | "quit" =>
println("Goodbye.")
sys.exit()
case _ =>
println(s"Response: ${shake()}\n")
}
}
}</syntaxhighlight>
 
=={{Header|Tcl}}==
<syntaxhighlight lang="tcl">namespace path {::tcl::mathop ::tcl::mathfunc}
 
set answers {
"As I see it, yes"
"Ask again later"
"Better not tell you now"
"Cannot predict now"
"Concentrate and ask again"
"Don't bet on it"
"It is certain"
"It is decidedly so"
"Most likely"
"My reply is no"
"My sources say maybe"
"My sources say no"
"Outlook good"
"Outlook not so good"
"Reply hazy, try again"
"Signs point to yes"
"Very doubtful"
"Without a doubt"
"Yes"
"Yes, definitely"
"Yes, probably not"
"You may rely on it"
"Your question has already been answered"
}
 
puts -nonewline "Question: "; flush stdout
while {[gets stdin line] > 0} {
set answer [lindex $answers [int [* [rand] [llength $answers]]]]
puts "⑧ says “$answer”"
puts -nonewline "Question: "; flush stdout
}</syntaxhighlight>
{{out}}
<pre>$ tclsh magic8.tcl
Question: Will it rain today?
⑧ says “Yes, probably not”
Question: Am I dead?
⑧ says “Yes, definitely”
Question:</pre>
 
=={{Header|Tiny BASIC}}==
{{works with|TinyBasic}}
<syntaxhighlight lang="basic">10 PRINT "Concentrate hard on your question, then tell me your favorite number."
20 INPUT N
30 REM in lieu of a random number generator
40 IF N<0 THEN LET N=-N
50 IF N<20 THEN GOTO 1000+N*10
60 LET N=N-20
70 GOTO 50
1000 PRINT "It is certain."
1005 END
1010 PRINT "It is decidedly so."
1015 END
1020 PRINT "Without a doubt."
1025 END
1030 PRINT "Yes - definitely."
1035 END
1040 PRINT "You may rely on it."
1045 END
1050 PRINT "As I see it, yes."
1055 END
1060 PRINT "Most likely."
1065 END
1070 PRINT "Outlook good."
1075 END
1080 PRINT "Yes."
1085 END
1090 PRINT "Signs point to yes."
1095 END
1100 PRINT "Reply hazy, try again."
1105 END
1110 PRINT "Ask again later."
1115 END
1120 PRINT "Better not tell you now."
1125 END
1130 PRINT "Cannot predict now."
1135 END
1140 PRINT "Concentrate and ask again."
1145 END
1150 PRINT "Don't count on it."
1155 END
1160 PRINT "My reply is no."
1165 END
1170 PRINT "My sources say no."
1175 END
1180 PRINT "Outlook not so good."
1185 END
1190 PRINT "Very doubtful."</syntaxhighlight>
 
=={{header|Transd}}==
The description of Magic ball never says that the answer must be random. Hey, how can we give the user just random answers?
<syntaxhighlight lang="Scheme">#lang transd
 
MainModule : {
ans: ["It is certain.", "It is decidedly so.", "Without a doubt.",
"Yes - definitely.", "You may rely on it.", "As I see it, yes.",
"Most likely.", "Outlook good.", "Yes.", "Signs point to yes.",
"Reply hazy, try again.", "Ask again later.",
"Better not tell you now.", "Cannot predict now.",
"Concentrate and ask again.", "Don't count on it.",
"My reply is no.", "My sources say no.", "Outlook not so good.",
"Very doubtful."],
_start: (lambda locals: sense 0 quest ""
(while true
(lout "Please, ask your question:")
(getline quest)
(if (not (size quest)) break)
(if (neq (back quest) "?") (lout "\nEh?") continue)
(= sense 0)
(tql quest reduce: ["col1"] using: (λ c Char() (+= sense c)))
(lout (get ans (mod sense 20)))
)
)
}</syntaxhighlight>
 
=={{header|uBasic/4tH}}==
{{works with|R4}}
<syntaxhighlight lang="basic">Push "It is certain", "It is decidedly so", "Without a doubt"
Push "Yes, definitely", "You may rely on it"
Push "As I see it, yes", "Most likely", "Outlook good"
Push "Signs point to yes", "Yes", "Reply hazy, try again"
Push "Ask again later", "Better not tell you now"
Push "Cannot predict now", "Concentrate and ask again"
Push "Don't bet on it", "My reply is no", "My sources say no"
Push "Outlook not so good", "Very doubtful"
' read the replies
For x = 0 to Used() - 1 : @(x) = Pop(): Next
Print "Please enter your question or a blank line to quit.\n"
' now show the prompt
Do
r = Ask("? : ") ' ask a question
Until Len(r)=0 ' check for empty line
Print Show(@(Rnd(x))) : Print ' show the reply
Loop</syntaxhighlight>
 
=={{header|UNIX Shell}}==
{{works with|Bourne Again Shell}}
<syntaxhighlight lang="bash">#!/bin/bash
declare -ra RESPONSES=("It is certain" "It is decidedly so" "Without a doubt"
"Yes definitely" "You may rely on it" "As I see it yes"
"Most likely" "Outlook good" "Signs point to yes" "Yes"
"Reply hazy try again" "Ask again later"
"Better not tell you now" "Cannot predict now"
"Concentrate and ask again" "Don't bet on it"
"My reply is no" "My sources say no" "Outlook not so good"
"Very doubtful")
 
printf "Welcome to 8 ball! Enter your questions using the prompt below to
find the answers you seek. Type 'quit' to exit.\n\n"
 
until
read -p 'Enter Question: '
[[ "$REPLY" == quit ]]
do printf "Response: %s\n\n" "${RESPONSES[RANDOM % ${#RESPONSES[@]}]}"
done
</syntaxhighlight>
{{out}}
<pre>Welcome to 8 ball! Enter your questions using the prompt below to
find the answers you seek. Type 'quit' to exit.
 
Enter Question: Is the future bright?
Response: Yes definitely</pre>
 
=={{header|Wren}}==
{{trans|Kotlin}}
<syntaxhighlight lang="wren">import "random" for Random
import "io" for Stdin, Stdout
 
var answers = [
"It is certain", "It is decidedly so", "Without a doubt",
"Yes, definitely", "You may rely on it", "As I see it, yes",
"Most likely", "Outlook good", "Signs point to yes", "Yes",
"Reply hazy, try again", "Ask again later",
"Better not tell you now", "Cannot predict now",
"Concentrate and ask again", "Don't bet on it",
"My reply is no", "My sources say no", "Outlook not so good",
"Very doubtful"
]
var rand = Random.new()
System.print("Please enter your question or a blank line to quit.")
while (true) {
System.write("\n? : ")
Stdout.flush()
var question = Stdin.readLine()
if (question.trim() == "") return
var answer = answers[rand.int(20)]
System.print("\n%(answer)")
}</syntaxhighlight>
 
{{out}}
Sample session:
<pre>
Please enter your question or a blank line to quit.
 
? : Will Trump win the next US election?
 
My sources say no
 
? : Is it true that we live in a multiverse?
 
Yes, definitely
 
? : Will the singularity occur before 2030?
 
Without a doubt
 
? :
</pre>
 
=={{header|XBS}}==
Random Choice
<syntaxhighlight lang="xbs">set Responses = ["It is Certain.","It is decidedly so.","Without a doubt.","Yes definitely.","You may rely on it","As I see it, yes.","Most likely.","Outlook good.","Yes.","Sign points to yes.","Reply hazy, try again.","Ask again later.","Better not tell you now.","Cannot predict now.","Concentrate and ask again.","Don't count on it.","My reply is no.","My sources say no.","Outlook not so good.","Very doubtful."];
 
while(true){
window->prompt("Ask 8-Ball a question");
log(Responses[rnd(0,?Responses-1)]);
}</syntaxhighlight>
Non-Random Choice
<syntaxhighlight lang="xbs">set Responses = ["It is Certain.","It is decidedly so.","Without a doubt.","Yes definitely.","You may rely on it","As I see it, yes.","Most likely.","Outlook good.","Yes.","Sign points to yes.","Reply hazy, try again.","Ask again later.","Better not tell you now.","Cannot predict now.","Concentrate and ask again.","Don't count on it.","My reply is no.","My sources say no.","Outlook not so good.","Very doubtful."];
 
func Compile(String){
set n = 0;
foreach(k,v as String){
n+=string.char(v);
}
send n;
}
 
while(true){
let Response = window->prompt("Ask 8-Ball a question");
let N = Compile(Response);
log(Responses[N%(?Responses)]);
}</syntaxhighlight>
 
=={{header|XPL0}}==
Translation of Kotlin and C.
<syntaxhighlight lang="xpl0">int Answers, Answer, Question;
[Answers:= [
"It is certain", "It is decidedly so", "Without a doubt",
"Yes, definitely", "You may rely on it", "As I see it, yes",
"Most likely", "Outlook good", "Signs point to yes", "Yes",
"Reply hazy, try again", "Ask again later",
"Better not tell you now", "Cannot predict now",
"Concentrate and ask again", "Don't bet on it",
"My reply is no", "My sources say no", "Outlook not so good",
"Very doubtful"];
Text(0, "Please enter your question or a blank line to quit.
");
while true do
[CrLf(0); Text(0, "? : ");
Question:= ChIn(0);
if Question = \CR\$0D then return;
OpenI(0); \discard any remaining chars in keyboard buffer
Answer:= Answers(Ran(20));
Text(0, Answer); CrLf(0);
]
]</syntaxhighlight>
 
{{out}}
<pre>
Please enter your question or a blank line to quit.
 
? : Will Trump win?
Don't bet on it
 
? : Have you read the news lately?
Reply hazy, try again
 
? : Is this program working?
Without a doubt
 
? :
</pre>
 
=={{header|zkl}}==
{{trans|Perl 6Raku}}
<langsyntaxhighlight lang="zkl">answers:=T(
"It is certain", "It is decidedly so", "Without a doubt",
"Yes, definitely", "You may rely on it", "As I see it, yes",
Line 958 ⟶ 3,145:
);
println("Please enter your question or a blank line to quit.");
while(ask("? : ")){ println(answers[(0).random(answers.len())]) }</langsyntaxhighlight>
{{out}}
<pre>