99 Bottles of Beer/Basic
99 Bottles of Beer done in any of the BASIC-languages.
BASIC
QuickBASIC
Sound
This version plays the tune 100 times while printing out the lyrics (not synchronized). <lang qbasic>PLAY "<" FOR x = 99 TO 0 STEP -1
PRINT x; "bottles of beer on the wall" PRINT x; "bottles of beer" PRINT "Take one down, pass it around" PRINT x-1; "bottles of beer on the wall" PRINT PLAY "e-8e-8e-8<b-8b-8b-8>e-8e-8e-8e-4"'X bottles of beer on the wall PLAY "f8f8f8c8c8c8f4"'X bottles of beer PLAY "d4d8d8 N0 d8d8d8d4"'take one down, pass it around PLAY "<a+8a+8a+8>c8c8d8d+8d+8d+8d+4"'X-1 bottles of beer on the wall
NEXT x</lang>
Text
<lang qbasic>FOR x = 99 TO 1 STEP -1
PRINT x; "bottles of beer on the wall" PRINT x; "bottles of beer" PRINT "Take one down, pass it around" PRINT x-1; "bottles of beer on the wall" PRINT
NEXT x</lang>
Applesoft BASIC
<lang Applesoft BASIC>H$ = "HELLO, WORLD!":B$ = " BOTTLES OF BEER":N$ = CHR$ (13):W$ = " ON THE WALL" + N$: FOR B = 99 TO 1 STEP - 1: PRINT B;B$W$B" "B$N$"TAKE ONE DOWN, PASS IT AROUND"N$B - 1;B$W$: NEXT </lang>
BaCon
With lyrics and punctuation taken from the 99-bottles-of-beer.net site. <lang freebasic>' 99 bottles of beer on the wall DECLARE counter$ DECLARE bottle$ DECLARE ofbeer$ = "of beer" DECLARE onthewall$ = "on the wall"
SUB howmany(b)
LOCAL plural$ plural$ = IIF$(b != 1, "s", "") bottle$ = "bottle" & plural$ counter$ = IIF$(b >= 1, STR$(b), "no more")
END SUB
FOR bottles = 99 DOWNTO 0
howmany(bottles)
IF counter$ = "no more" THEN counter$ = "No more"
PRINT counter$, bottle$, ofbeer$, onthewall$ FORMAT "%s %s %s %s, "
IF counter$ = "No more" THEN counter$ = "no more"
PRINT counter$, bottle$, ofbeer$ FORMAT "%s %s %s.\n"
IF bottles > 0 THEN
PRINT "Take one down and pass it around" FORMAT "%s, "
howmany(bottles - 1)
ELSE
PRINT "Go to the store and buy some more" FORMAT "%s, "
howmany(99)
ENDIF
PRINT counter$, bottle$, ofbeer$, onthewall$ FORMAT "%s %s %s %s.\n"
IF bottles > 0 THEN PRINT
NEXT</lang>
BASIC256
<lang BASIC256>#length of querter and eight note in ms n4 = 1000 * 60 / 80 / 4 n8 = n4 / 2
- frequency of musical notes in hz
e = 330 ef = 311 b = 247 bf = 233 f = 349 c = 262 d = 294 ds = 311 a = 220
dim notes(1) dim lengs(1)
- redim is automatic when using a {} list to assign an array
notes = {ef, ef, ef, bf, bf, bf, ef, ef, ef, ef, f , f , f , c , c , c , f , d , d , d , d , d , d , d , bf, bf, bf, c , c , ef, ef, ef, ef, ef} lengs = {n8, n8, n8, n8, n8, n8, n8, n8, n8, n4, n8, n8, n8, n8, n8, n8, n4, n4, n8, n8, n8, n8, n8, n4, n8, n8, n8, n8, n8, n8, n8, n8, n8, n4 }
for x = 99 to 1 step -1
for t = 0 to notes[?]-1
if t = 0 then print x + " bottles of beer on the wall"
if t = 11 then print x + " bottles of beer"
if t = 18 then print "Take one down, pass it around"
if t = 25 then print(x-1) + " bottles of beer on the wall"
sound notes[t], lengs[t]
pause .002
next t
print
next x </lang>
BBC BASIC
Versión más clásica <lang bbcbasic> REM 99 bottles of beer song BBC BASIC version REM original code by Stelio Passaris (stelio.net)
a$=" bottle" s$="s" b$=" of beer" c$=" on the wall..." t$="Take one down and pass it around,"
VDU14:REM habilita el modo de paginación; pulsa shift para avanzar página. FOR i% = 99 TO 1 STEP -1 IF i% = 1 THEN s$="" IF i% < 99 THEN PRINT;i%;a$;s$;b$;c$;"."' PRINT;i%;a$;s$;b$;c$;","'i%;a$;s$;b$;"."'t$ NEXT i% PRINT"no more";a$;"s";b$;c$;"." PRINT'"No more bottles of beer on the wall," PRINT"no more bottles of beer." PRINT"Go to the store and buy some more," PRINT"99 bottles of beer on the wall." VDU15:REM deshabilita el modo de paginación </lang>
BBC BASIC
<lang bbcbasic>
N_Bottles = 99
beer$ = " of beer"
wall$ = " on the wall"
unit$ = "99 bottles"
WHILE N_Bottles >= 0
IF N_Bottles=0 THEN
PRINT '"No more bottles" beer$ wall$ ", " unit$ beer$ "."
PRINT "Go to the store and buy some more, ";
ELSE
PRINT 'unit$ beer$ wall$ ", " unit$ beer$ "."
PRINT "Take one down and pass it around, ";
ENDIF
N_Bottles -= 1
CASE N_Bottles OF
WHEN 0:
unit$ = "no more bottles"
WHEN 1:
unit$ = "1 bottle"
OTHERWISE:
unit$ = STR$((N_Bottles + 100) MOD 100) + " bottles"
ENDCASE
PRINT unit$ beer$ wall$ "."
ENDWHILE
END
</lang>
Commodore BASIC
You may need to remove the semicolon on line 20 when executing on the VIC-20. Also, this looks best on the machines with 40 or more columns.
<lang FreeBasic> 10 dim bo$(2):bo$(0)="bottle":bo$(1)="bottles" 15 print chr$(147);chr$(14);"99 Bottles of Beer Song" 20 print:print "Start with how many bottles"; 25 input nb 30 if nb<1 then print "Sorry, must start with at least one. Try again.":goto 20 40 print 50 for c=nb to 1 step -1 60 c$=str$(c):if c=0 then c$=" No more" 65 br$=str$(c-1): if c-1=0 then br$=" No more" 70 print chr$(147) 80 print c$;" ";bo$((c=1)+1);" of beer on the wall," 90 print c$;" ";bo$((c=1)+1);" of beer." 100 print:print " Take one down, pass it around...":print 110 print br$;" ";bo$((c-1=1)+1);" of beer on the wall!" 120 for t=1 to 1200:get k$:if k$="" then next t 130 if k$="q" then end 135 rem move to next verse 140 print:next c </lang>
Creative Basic
window version
<lang Creative Basic>DEF Win:WINDOW DEF Close:CHAR DEF ScreenSizeX,ScreenSizeY:INT
DECLARE VSpace(Number:UINT) DECLARE CLR()
DEF TheLine$[4],Number$,Erase:STRING DEF TheLine,TextHeight,TextWidth:INT DEF TextX,TextY:UINT
TheLine$[0]="bottles" TheLine$[1]="of beer on the wall." TheLine$[2]="of beer." TheLine$[3]="Take one down, pass it around."
BottlesOfBeer=99 TheLine=1
GETSCREENSIZE(ScreenSizeX,ScreenSizeY)
WINDOW Win,0,0,ScreenSizeX,ScreenSizeY,@MINBOX|@MAXBOX|@SIZE,0,"99 Bottles Of Beer",MainHandler
GETTEXTSIZE(Win,TheLine$[3],TextWidth,TextHeight)
Erase$=STRING$(TextWidth," ")
PRINT Win,"Let's sing a song."
VSpace(2)
'1.2 seconds. STARTTIMER Win,1200
GOSUB Sing
WAITUNTIL Close=1
CLOSEWINDOW Win
END
SUB MainHandler
SELECT @CLASS
CASE @IDCLOSEWINDOW
Close=1
CASE @IDTIMER
GOSUB Sing
ENDSELECT
RETURN
SUB Sing
DEF Sing:INT
Sing=TheLine
MOVE Win,TextX,TextY
Number$=STR$(BottlesOfBeer)
IF BottlesOfBeer=0
Number$="No more"
TheLine$[0]="bottles" TheLine$[3]="Go to the store and buy some more."
ENDIF
IF BottlesOfBeer=1
TheLine$[0]="bottle" TheLine$[3]="Take it down, pass it around."
ENDIF
IF TheLine=4 THEN Sing=1
IF (TheLine=1)|(TheLine=2)|(TheLine=4)
IF BottlesOfBeer>-1 THEN PRINT Win,Number$+" "+TheLine$[0]+" "+TheLine$[Sing] ELSE GOSUB TheEnd
ELSE
PRINT Win,TheLine$[3]
BottlesOfBeer=BottlesOfBeer-1
ENDIF
TheLine=TheLine+1
VSpace(1)
IF TheLine>4
TheLine=1
VSpace(1)
ENDIF
RETURN
SUB TheEnd
PRINT Win,"What's the problem, offishur?"
STOPTIMER Win
VSpace(2)
MOVE Win,TextX,TextY:PRINT Win,"That's all."
RETURN
SUB VSpace(Number:UINT)
TextY=TextY+(TextHeight*Number)
IF TextY+(TextHeight*8)>ScreenSizeY THEN CLR()
RETURN
SUB CLR()
FOR X=0 TO ScreenSizeY
MOVE Win,0,X:PRINT Win,Erase$
TextY=8
NEXT X
RETURN </lang>
console only version
Rather quickly written and dirty. <lang Creative Basic>REM Using the ESC key to exit will not work in console programs under Windows 95/98 or ME.
DECLARE SingWallLn() DECLARE Delay1() DECLARE Delay2() 'To use ESC Key to exit. DECLARE Quit() DECLARE TheEnd()
DEF Bottles:UINT DEF Number$,Again$:STRING
OPENCONSOLE
PRINT"I'm going to sing a song.":PRINT
Delay1()
LABEL StartSong
Bottles=99
DO
Quit()
SingWallLn():Delay1()
PRINT LTRIM$(STR$(Bottles))+Number$+" of beer.":Delay1()
IF Bottles>0 THEN PRINT"Take one down, pass it around." ELSE PRINT"Take it down, pass it around.":Delay1()
Bottles=Bottles-1
SingWallLn()
Delay2()
PRINT:PRINT
UNTIL Bottles=0
Delay2()
ClS
LABEL Question
INPUT"Sing it again (y or n)?",Again$
SELECT Again$
CASE("y") CASE("Y")
CLS
GOTO StartSong
CASE "n" CASE "N"
CLS
PRINT"Fine, be that way.":Delay2()
TheEnd()
ENDSELECT
PRINT"Sorry, I didn't understand.":PRINT
GOTO Question
'Keep from running into subroutines. END
SUB SingWallLn()
IF Bottles=1 THEN Number$=" bottle" ELSE Number$=" bottles"
PRINT LTRIM$(STR$(Bottles))+Number$+" of beer on the wall."
RETURN
SUB Delay1()
FOR X=1 TO 7000:NEXT X
RETURN
SUB Delay2()
FOR X=1 TO 1750000:NEXT X
RETURN
SUB Quit()
'Close program by pressing the ESC key.
'Will not work in console under Windows 95/98 or ME.
IF GETKEYSTATE(0x1B) THEN TheEnd()
RETURN
SUB TheEnd()
CLOSECONSOLE
END
RETURN </lang>
FBSL
This is a OO version, using FBSL v3.5 Beta <lang qbasic>#AppType Console
Class Wall bottles
Sub Initialize(%n = 99) bottles = n End Sub
Method Denom() if bottles+1 > 1 then return "one" elseif bottles+1 = 1 then return "it" end if End Method
Method StockUp( %n = 99 ) bottles = n End Method
Method TakeOneDown() bottles = bottles - 1 end Method
Method Pluraliser() if bottles > 1 then return "s" else return "" end if end method
Method Sing() print bottles, " bottle", Pluraliser(), " of beer on the wall" print bottles, " bottle", Pluraliser(), " of beer" TakeOneDown() print "take ", Denom(), " down and pass it round" if bottles > 0 then print bottles, " bottle", Pluraliser(), " of beer on the wall" print else print "no more bottles of beer on the wall" print print "no more bottles of beer on the wall" print "no more bottles of beer on the wall" print "go to the store and buy some more" StockUp(99) print bottles, " bottle", Pluraliser(), " of beer on the wall" print end if return bottles End Method
End Class
Dim BeerSong as new Wall(99)
while BeerSong.Sing() <> 99 end while </lang>
FreeBASIC
<lang freebasic>' FB 1.05.0 Win64
Dim As Integer bottles = 99 Dim As String b = " bottles "
Do
Print Str(bottles); b; "of beer hanging on the wall" Print Str(bottles); b; "of beer hanging on the wall" Print "And if one bottle of beer should accidently be drunk" bottles -= 1 If bottles = 1 Then b = " bottle " ElseIf bottles = 0 Then b = " bottles " End If Print "There'll be"; bottles; b; "of beer hanging on the wall" Print
Loop Until bottles = 0
Print "Press any key to sleep it off" Sleep</lang>
FUZE BASIC
<lang qbasic>CLS DIM s$(1) READ b,s$(0),s$(1),a$,b$,c$,d$,e$,f$ g$ = chr$(10) WHILE b > 0 CYCLE
PRINT b;a$;s$(b>1);b$;c$;b;a$;s$(b>1);b$;".";g$;d$;b-1;a$;s$(b-1<>1);b$;c$;g$ b = b - 1
REPEAT PRINT e$;a$;"s";b$;c$;e$;a$;"s";b$;".";g$;f$;a$;"s";b$;c$ DATA 99,"","s"," bottle"," of beer"," on the wall. ","Take one down, pass it around. " DATA "No more","Go to the store and buy some more. 99" END</lang>
Yabasic
<lang yabasic> b$ = " bottles" for bottles = 99 to 1 step -1
if (bottles = 1) then b$ = " bottle" : fi
print bottles, b$, " of beer on the wall, "
print bottles , b$, " of beer"
print "Take one down, pass it around, "
if bottles = 1 then
print "no more bottles of beer on the wall.\n"
else
print bottles - 1, b$, " of beer on the wall."
print
end if
next bottles end </lang>
GW-BASIC
Just a basic loop counting down to one. No big deal. Note that at BOTTLES=1, it is not grammatically correct.
<lang qbasic>10 FOR BOTTLES = 99 TO 1 STEP -1 20 PRINT BOTTLES " bottles of beer on the wall" 30 PRINT BOTTLES " bottles of beer" 40 PRINT "Take one down, pass it around" 50 PRINT BOTTLES-1 " bottles of beer on the wall" 60 NEXT BOTTLES </lang>
Integer BASIC
IMPORTANT NOTE: Integer BASIC was written (and hand-assembled by Woz himself) for the Apple 1 and original Apple 2. The Apple 1 has NO support for lower-case letters, and it was an expensive (and later) option on the Apple 2. The UPPER-CASE output of this example accurately represents the only reasonable solution for those target devices, and therefore cannot be "fixed" for mixed case, only deleted.
<lang Integer BASIC>E000G (APPLE II) E000R (APPLE I) 10 REM ------------------------- 11 REM BEERSONG IN APPLE INTEGER 12 REM BASIC BY BARRYM 2011-8-21 13 REM THANKS : APPLEWIN1.17.2.0 14 REM THANKS ALSO : POM1 0.7B 15 REM ------------------------- 16 REM PRINTS THE COMPLETE UPPER 17 REM CASE LYRICS ON AN APPLE I 18 REM OR AN 'ORIGINAL' APPLE II 19 REM WITH WOZ'S INTEGER BASIC. 20 REM ------------------------- 21 REM THIS BASIC HAS AN UNUSUAL 22 REM 'THEN', WHICH EXECUTES OR 23 REM SKIPS ONE (AND ONLY ONE!) 24 REM STATEMENT. THIS CONFUSED 25 REM US KIDS REGULARLY WHEN WE 26 REM TRIED TRANSLATING INTEGER 27 REM BASIC GAMES TO APPLE$OFT! 30 REM ------------------------- 40 FOR B=99 TO 98 STEP 0: PRINT : FOR W=0 TO 2: IF W<2 THEN 70 50 IF B THEN PRINT "TAKE ONE DOWN AND PASS IT AROUND";:B=B-1 60 IF B+1 THEN 70:B=99: PRINT "GO TO THE STORE AND BUY SOME MORE"; 70 IF W THEN PRINT ",": IF B THEN PRINT B;: IF B=0 THEN PRINT "NO MORE"; 80 PRINT " BOTTLE";: IF B#1 THEN PRINT "S";: PRINT " OF BEER"; 90 IF W#1 THEN PRINT " ON THE WALL";: IF W THEN PRINT ".": NEXT W,B: END RUN</lang>
Liberty BASIC
<lang lb>For bottles = 99 To 1 Step -1
song$ = song$ + str$(bottles) + " bottle" If (bottles > 1) Then song$ = song$ + "s" song$ = song$ + " of beer on the wall, " + str$(bottles) + " bottle" If (bottles > 1) Then song$ = song$ + "s" song$ = song$ + " of beer," + chr$(13) + chr$(10) + "Take one down, pass it around, " + str$(bottles - 1) + " bottle" If (bottles > 2) Or (bottles = 1) Then song$ = song$ + "s" song$ = song$ + " of beer on the wall." + chr$(13) + chr$(10)
Next bottles song$ = song$ + "No more bottles of beer on the wall, no more bottles of beer." _
+ chr$(13) + chr$(10) + "Go to the store and buy some more, 99 bottles of beer on the wall."
Print song$</lang>
Microsoft Small Basic
<lang microsoftsmallbasic> For n = 99 To 1 Step -1
If n = 1 Then
bottleText1 = "1 bottle"
bottleText2 = "No more bottles"
ElseIf n = 2 then
bottleText1 = "2 bottles"
bottleText2 = "1 bottle"
Else
bottleText1 = n + " bottles"
bottleText2 = n - 1 + " bottles"
EndIf
TextWindow.WriteLine(bottleText1 + " of beer on the wall")
TextWindow.WriteLine(bottleText1 + " of beer")
TextWindow.WriteLine("Take one down, pass it around")
TextWindow.WriteLine(bottleText2 + " of beer on the wall")
TextWindow.WriteLine("")
EndFor </lang>
MSX Basic
<lang MSXBasic> 10 FOR X = 99 TO 1 STEP -1 20 PRINT X; "bottles of beer on the wall" 30 PRINT X; "bottles of beer" 40 PRINT "Take one down, pass it around" 50 PRINT X-1; "bottles of beer on the wall" 60 PRINT 70 NEXT X </lang>
OxygenBasic
<lang qbasic> int x=99 string cr,tab,pr,bottles,bottlem,remain cr=chr(13) chr(10) tab=chr(9) pr="99 BOTTLES" cr cr bottles=" bottles " bottlem=" bottles " ' for x=99 to 1 step -1
if x=1
bottles=" bottle "
bottlem=" bottles "
remain="No"
elseif x=2
bottlem=" bottle "
remain=x-1
else
remain=x-1
end if
pr+=
x bottles "of beer on the wall" cr +
x bottles "of beer" cr +
"Take one down, pass it around" cr +
remain bottlem "of beer on the wall" cr +
cr
next ' putfile "t.txt",pr </lang>
PowerBASIC
<lang PowerBasic>#COMPILE EXE
- DIM ALL
FUNCTION PBMAIN () AS LONG
DIM bottles%
DIM b$
DIM done$
bottles% = 99
b$ = " bottles "
DO
PRINT bottles%; b$; "of beer hanging on the wall"
PRINT bottles%; b$; "of beer..."
PRINT "And if one bottle of beer should accidentally be drunk"
bottles% = bottles% - 1
IF bottles% = 1 THEN
b$ = " bottle "
ELSEIF bottles% = 0 THEN
b$ = " bottles "
ELSE
' Press on!
END IF
PRINT "There'll be"; bottles; b$; "of beer hanging on the wall"
PRINT
LOOP UNTIL bottles% = 0
CON.INPUT("Press any key to sleep it off",done$)
END FUNCTION</lang>
PureBasic
Normal version
<lang PureBasic>If OpenConsole()
Define Bottles=99
While Bottles
PrintN(Str(Bottles)+" bottles of beer on the wall")
PrintN(Str(Bottles)+" bottles of beer")
PrintN("Take one down, pass it around")
Bottles-1
PrintN(Str(Bottles)+" bottles of beer on the wall"+#CRLF$)
Wend
PrintN(#CRLF$+#CRLF$+"Press ENTER to exit"):Input()
CloseConsole()
EndIf</lang>
An object-oriented solution
<lang PureBasic>Prototype Wall_Action(*Self, Number.i)
Structure WallClass
Inventory.i AddBottle.Wall_Action DrinkAndSing.Wall_Action
EndStructure
Procedure.s _B(n, Short=#False)
Select n Case 0 : result$="No more bottles " Case 1 : result$=Str(n)+" bottle of beer" Default: result$=Str(n)+" bottles of beer" EndSelect If Not Short: result$+" on the wall": EndIf ProcedureReturn result$+#CRLF$
EndProcedure
Procedure PrintBottles(*Self.WallClass, n)
Bottles$=" bottles of beer " Bottle$ =" bottle of beer " txt$ = _B(*Self\Inventory) txt$ + _B(*Self\Inventory, #True) txt$ + "Take one down, pass it around"+#CRLF$ *Self\AddBottle(*Self, -1) txt$ + _B(*self\Inventory) PrintN(txt$) ProcedureReturn *Self\Inventory
EndProcedure
Procedure AddBottle(*Self.WallClass, n)
i=*Self\Inventory+n If i>=0 *Self\Inventory=i EndIf
EndProcedure
Procedure InitClass()
*class.WallClass=AllocateMemory(SizeOf(WallClass))
If *class
InitializeStructure(*class, WallClass)
With *class
\AddBottle =@AddBottle()
\DrinkAndSing =@PrintBottles()
EndWith
EndIf
ProcedureReturn *class
EndProcedure
If OpenConsole()
*MyWall.WallClass=InitClass() If *MyWall *MyWall\AddBottle(*MyWall, 99) While *MyWall\DrinkAndSing(*MyWall, #True): Wend ; PrintN(#CRLF$+#CRLF$+"Press ENTER to exit"):Input() CloseConsole() EndIf
EndIf</lang>
QB64
CBTJD: 2020/03/08
- Manages grammatical support for "1 bottle of beer" and "No more bottles of beer".
<lang vb>A$ = "bottle": B$ = " of beer": C$ = " on the wall": D$ = " Take one down, pass it around": E$ = " No more " FOR B = 99 TO 1 STEP -1
S$ = STRING$(ABS(B > 1), "s")
PRINT B; A$; S$; B$; C$: PRINT B; A$; S$; B$: PRINT D$
SELECT CASE B
CASE 2: PRINT B - 1; A$; B$; C$
CASE 1: PRINT E$; A$; "s"; B$; C$
CASE ELSE: PRINT B - 1; A$; S$; B$; C$
END SELECT
PRINT
NEXT</lang>
REALbasic
Place the following in the "open" event of a console application. <lang vb>dim bottles as Integer = 99 While bottles > 0
Print(str(bottles) + " bottles of beer on the wall")
Print(str(bottles) + " bottles of beer")
Print("Take one down, pass it around")
bottles = bottles - 1
Print(str(bottles) + " bottles of beer on the wall")
Wend</lang>
Run BASIC
<lang Runbasic>b$ = " bottles" for bottles = 99 To 1 Step -1
If (bottles = 1) then b$ = " bottle"
print bottles;b$;" of beer on the wall, "
print bottles ;b$;" of beer"
print "Take one down, pass it around, "
if bottles = 1 then
print "No bottles of beer on the wall"
else
print bottles - 1;b$;" of beer on the wall.";chr$(10)
end if
next bottles</lang>
smart BASIC
<lang qbasic>READ b,s$(0),s$(1),a$,b$,c$,d$,e$,f$ g$ = CHR$(10) WHILE b > 0
IF b>1 THEN
x=1
ELSE
x=0
ENDIF
IF b-1 <> 1 THEN
y=1
ELSE
y=0
ENDIF
PRINT b;a$;s$(x);b$;c$;b;a$;s$(x);b$;".";g$;d$;b-1;a$;s$(y);b$;c$;g$ b = b - 1 END WHILE PRINT e$;a$;"s";b$;c$;e$;a$;"s";b$;".";g$;f$;a$;"s";b$;c$ DATA 99,"","s"," bottle"," of beer"," on the wall. ","Take one down, pass it around. " DATA "No more","Go to the store and buy some more. 99" END</lang>
Sinclair ZX81 BASIC
Scrolls after each line so doesn't run out of screen space and stop prematurely! <lang basic>10 FOR N=99 TO 1 STEP -1 20 SCROLL 30 PRINT STR$(N)+" BOTTLE"+("S" AND N<>1)+" OF BEER ON THE WALL" 40 SCROLL 50 PRINT STR$(N)+" BOTTLE"+("S" AND N<>1)+" OF BEER" 60 SCROLL 70 PRINT "TAKE ONE DOWN, PASS IT AROUND" 80 SCROLL 90 PRINT STR$(N-1)+" BOTTLE"+("S" AND N<>2)+" OF BEER ON THE WALL" 100 SCROLL 110 NEXT N</lang>
TI-83 BASIC
<lang ti83b>PROGRAM:BEER
- For(I,99,1,-1)
- Disp I
- Disp "BOTTLES OF BEER"
- Disp "ON THE WALL,"
- Disp I
- Pause "BOTTLES OF BEER,"
- Disp "TAKE ONE DOWN,"
- Disp "PASS IT AROUND,"
- Disp I-1
- Disp "BOTTLES OF BEER"
- Disp "ON THE WALL."
- End
</lang>
TI-89 BASIC
<lang ti89b>Prgm
Local i,plural,clockWas,t,k,wait "s" → plural 0 → k isClkOn() → clockWas
Define wait() = Prgm EndPrgm
ClockOn
For i,99,0,–1 Disp "" Disp string(i) & " bottle" & plural & " of beer on the" Disp "wall, " & string(i) & " bottle" & plural & " of beer."
getTime()[3]→t While getTime()[3] = t and k = 0 : getKey() → k : EndWhile If k ≠ 0 Then : Exit : EndIf
Disp "Take one down, pass it" Disp "around."
getTime()[3]→t While getTime()[3] = t and k = 0 : getKey() → k : EndWhile If k ≠ 0 Then : Exit : EndIf
If i - 1 = 1 Then
"" → plural
EndIf
If i > 1 Then
Disp string(i-1) & " bottle" & plural & " of beer on the"
Disp "wall."
Else
Disp "No more bottles of beer on"
Disp "the wall."
EndIf
getTime()[3]→t While abs(getTime()[3] - t)<2 and k = 0 : getKey() → k : EndWhile If k ≠ 0 Then : Exit : EndIf
EndFor If not clockWas Then ClockOff ENdIf
EndPrgm</lang>
Tiny BASIC
<lang Tiny BASIC>100 LET N=99 105 GOSUB 120 110 IF N>0 THEN GOTO 105 115 END 120 GOSUB 155 125 GOSUB 175 130 PRINT "Take one down, pass it round" 135 LET N=N-1 140 GOSUB 155 145 PRINT "" 150 RETURN 155 IF N=0 THEN PRINT "No more bottles of beer on the wall" 160 IF N=1 THEN PRINT N," bottle of beer on the wall" 165 IF N>1 THEN PRINT N," bottles of beer on the wall" 170 RETURN 175 IF N=0 THEN PRINT "No more bottles of beer" 180 IF N=1 THEN PRINT N," bottle of beer" 185 IF N>1 THEN PRINT N," bottles of beer" 190 RETURN </lang>
True BASIC
<lang basic> ! TrueBASIC v6.007
LET bottles = 99 LET b$ = " bottles "
DO PRINT bottles; b$; "of beer hanging on the wall" PRINT bottles; b$; "f beer hanging on the wall" PRINT "And if one bottle of beer should accidentally be drunk" LET bottles = bottles -1 IF bottles = 1 THEN LET b$ = " bottle " ELSEIF bottles = 0 THEN LET b$ = " bottles " ELSE ! Press on END IF PRINT "There'll be"; bottles; b$; "of beer hanging on the wall" PRINT LOOP UNTIL bottles = 0
PRINT "Press any key to sleep it off" GET KEY done END </lang>
Visual Basic
<lang vb>Sub Main()
Const bottlesofbeer As String = " bottles of beer" Const onthewall As String = " on the wall" Const takeonedown As String = "Take one down, pass it around" Const onebeer As String = "1 bottle of beer"
Dim bottles As Long
For bottles = 99 To 3 Step -1
Debug.Print CStr(bottles) & bottlesofbeer & onthewall
Debug.Print CStr(bottles) & bottlesofbeer
Debug.Print takeonedown
Debug.Print CStr(bottles - 1) & bottlesofbeer & onthewall
Debug.Print
Next
Debug.Print "2" & bottlesofbeer & onthewall Debug.Print "2" & bottlesofbeer Debug.Print takeonedown Debug.Print onebeer & onthewall Debug.Print
Debug.Print onebeer & onthewall Debug.Print onebeer Debug.Print takeonedown Debug.Print "No more" & bottlesofbeer & onthewall Debug.Print
Debug.Print "No" & bottlesofbeer & onthewall Debug.Print "No" & bottlesofbeer Debug.Print "Go to the store, buy some more" Debug.Print "99" & bottlesofbeer & onthewall
End Sub</lang>
Visual Basic .NET
Platform: .NET
Classic
<lang vbnet>Module Module1
Sub Main()
Dim Bottles As Integer
For Bottles = 99 To 0 Step -1
If Bottles = 0 Then
Console.WriteLine("No more bottles of beer on the wall, no more bottles of beer.")
Console.WriteLine("Go to the store and buy some more, 99 bottles of beer on the wall.")
Console.ReadLine()
ElseIf Bottles = 1 Then
Console.WriteLine(Bottles & " bottle of beer on the wall, " & Bottles & " bottle of beer.")
Console.WriteLine("Take one down and pass it around, no more bottles of beer on the wall.")
Console.ReadLine()
Else
Console.WriteLine(Bottles & " bottles of beer on the wall, " & Bottles & " bottles of beer.")
Console.WriteLine("Take one down and pass it around, " & (Bottles - 1) & " bottles of beer on the wall.")
Console.ReadLine()
End If
Next
End Sub
End Module</lang>
String interpolation
<lang vbnet>Module Program
Function Plural(count As Integer) As String
Return If(count = 1, "", "s")
End Function
Sub Main()
For i = 99 To 1 Step -1
Console.WriteLine($"{i} bottle{Plural(i)} of beer on the wall")
Console.WriteLine($"{i} bottle{Plural(i)} of beer")
Console.WriteLine($"Take one down, pass it around")
Console.WriteLine($"{i - 1} bottle{Plural(i - 1)} of beer on the wall")
Console.WriteLine()
Next
End Sub
End Module</lang>
Mental mutilation beyond hope of regeneration
<lang vbnet>Option Explicit Off Option Strict Off
Module Program
Sub Main
i = 99
START:
Console.Write(i)
Console.Write(" bottle")
If i > 1 Then Console.Write("s")
Console.Write(" of beer on the wall")
Console.WriteLine()
Console.Write(i)
Console.Write(" bottle")
If i > 1 Then Console.Write("s")
Console.Write(" of beer")
Console.WriteLine()
Console.Write($"Take one down, pass it around")
Console.WriteLine()
Console.Write(i - 1)
Console.Write(" bottle")
If i - 1 > 1 Then Console.Write("s")
Console.Write(" of beer on the wall")
Console.WriteLine()
Console.WriteLine()
i -= 1
If i > 0 Then GoTo START
End Sub
End Module</lang>
Python
<lang vbnet>Option Strict Off
Module Program
Sub Main()
Dim a=" bottles of beer",b=" on the wall"&vbLf,c="Take one down, pass it around"&vbLf,s=Function(o)o.ToString
Console.Write(String.Join(vbLf,Enumerable.Range(1,99).Reverse.Select(Function(x)s(x)+a+b+s(x)+a+vbLf+c+s(x-1)+a+b)))
End Sub
End Module</lang>
With sound
Compiler: Roslyn Visual Basic (language version >= 15.3)
Platform: Windows, versions other than 64-bit Vista and XP, and either with a 8254 chip or sound card installed.
Plays tones synchronized with output syllable-by-syllable. Uses word forms of numbers, but can be made to display the numbers (while still playing the appropriate number of notes as per the word form).
Uses the Windows beep function, which on modern PCs should just use the speakers. Volume depends on system volume.
Parses command-line arguments (no validation) (syntax: <name>:<value>, space-separated and optionally enclosed in quotes):
- bpm (default 120): beats-per-minute. Beep seems to lag when called frequently, resulting in desynchronized sound and dropped notes
- oct (default 3): (MIDI) octave to play notes in.
- words (default true): Whether to display bottle count as words; set to false to get task-compliant output
Could use some tidying-up of magic numbers.
Options and imports statements (all parts must be in one file): <lang vbnet>Option Explicit On Option Infer On Option Strict On
Imports System.Globalization Imports System.Runtime.InteropServices Imports System.Threading</lang>
Helper to parse command-line arguments: <lang vbnet> Module ArgHelper
ReadOnly _ArgDict As New Dictionary(Of String, String)()
Delegate Function TryParse(Of T, TResult)(value As T, <Out> ByRef result As TResult) As Boolean
Sub InitializeArguments(args As String())
For Each item In args
item = item.ToUpperInvariant()
If item.Length > 0 AndAlso item(0) <> """"c Then
Dim colonPos = item.IndexOf(":"c, StringComparison.Ordinal)
If colonPos <> -1 Then
' Split arguments with colons into key(part before colon) / value(part after colon) pairs.
_ArgDict.Add(item.Substring(0, colonPos), item.Substring(colonPos + 1, item.Length - colonPos - 1))
End If
End If
Next
End Sub
Sub FromArgument(Of T)(
key As String,
<Out> ByRef var As T,
getDefault As Func(Of T),
tryParse As TryParse(Of String, T),
Optional validate As Predicate(Of T) = Nothing)
Dim value As String = Nothing
If _ArgDict.TryGetValue(key.ToUpperInvariant(), value) Then
If Not (tryParse(value, var) AndAlso (validate Is Nothing OrElse validate(var))) Then
Console.WriteLine($"Invalid value for {key}: {value}")
Environment.Exit(-1)
End If
Else
var = getDefault()
End If
End Sub
End Module</lang>
Program: <lang vbnet>Module Program
Function GetNumberSyllables(n As Integer) As IEnumerable(Of String)
Static getTensPrefix As Func(Of Integer, IEnumerable(Of String)) =
Iterator Function(_n As Integer) As IEnumerable(Of String)
Select Case _n
Case 20 : Yield "twen"
Case 30 : Yield "thir"
Case 40 : Yield "for"
Case 50 : Yield "fif"
Case 60 : Yield "six"
Case 70 : Yield "se" : Yield "ven"
Case 80 : Yield "eigh"
Case 90 : Yield "nine"
Case Else
Throw New ArgumentOutOfRangeException(NameOf(_n), _n, "")
End Select
End Function
Static getSmallNumber As Func(Of Integer, IEnumerable(Of String)) =
Iterator Function(_n As Integer) As IEnumerable(Of String)
Select Case _n
Case 0 : Yield "ze" : Yield "ro"
Case 1 : Yield "one"
Case 2 : Yield "two"
Case 3 : Yield "three"
Case 4 : Yield "four"
Case 5 : Yield "five"
Case 6 : Yield "six"
Case 7 : Yield "se" : Yield "ven"
Case 8 : Yield "eight"
Case 9 : Yield "nine"
Case 10 : Yield "ten"
Case 11 : Yield "e" : Yield "le" : Yield "ven"
Case 12 : Yield "twelve"
Case 13 : Yield "thir" : Yield "teen"
Case 14 : Yield "four" : Yield "teen"
Case 15 To 19
For Each s In getTensPrefix((_n - 10) * 10)
Yield s
Next
Yield "teen"
Case Else
Throw New ArgumentOutOfRangeException(NameOf(_n), _n, "")
End Select
End Function
Select Case n
Case 0 To 19
Return getSmallNumber(n)
Case 20 To 99
Dim tens = (n \ 10) * 10
Dim ones = n Mod 10
Dim tensSyllables = getTensPrefix(tens).Append("ty")
If ones = 0 Then Return tensSyllables
Dim onesSyllables = getSmallNumber(ones)
Return tensSyllables.
Append("-" & onesSyllables.First()).
Concat(onesSyllables.Skip(1))
Case Else
Throw New ArgumentOutOfRangeException(NameOf(n), n, "")
End Select
End Function
Iterator Function GetLyrics(numbersToWords As Boolean) As IEnumerable(Of (text As String, midiNote As Integer, noteType As Double))
Dim getSyllablesWordsOrNumber =
Function(n As Integer) As IEnumerable(Of String)
Dim syllables = GetNumberSyllables(n)
If numbersToWords Then
Dim firstWordTitleCase = CultureInfo.CurrentCulture.TextInfo.ToTitleCase(syllables.First())
Return syllables.Skip(1).Prepend(firstWordTitleCase)
Else
Return syllables.Skip(1).Select(Function(s) "").Prepend(n.ToString(CultureInfo.CurrentCulture))
End If
End Function
Dim number, nextNumber As IEnumerable(Of String)
nextNumber = getSyllablesWordsOrNumber(99)
For i = 99 To 1 Step -1
number = nextNumber
nextNumber = getSyllablesWordsOrNumber(i - 1)
For Each syl In number
Yield (syl, 67, 4)
Next
Yield (" bo", 62, 4)
Yield ("ttle" & Plural(i), 62, 4)
Yield (" of", 62, 4)
Yield (" beer", 67, 4)
Yield (" on", 67, 4)
Yield (" the", 67, 4)
Yield (" wall", 67, 4 / 3)
Yield (vbLf, -1, 0)
For Each syl In number
Yield (syl, 69, 4)
Next
Yield (" bo", 64, 4)
Yield ("ttle" & Plural(i), 64, 4)
Yield (" of", 64, 4)
Yield (" beer", 69, 1)
Yield (vbLf, -1, 0)
Yield ("Take", 66, 2)
Yield (" one", 66, 4)
Yield (" down,", 66, 4 / 3)
Yield (" pass", 66, 4)
Yield (" it", 66, 4)
Yield (" a", 66, 4)
Yield ("round", 66, 4 / 3)
Yield (vbLf, -1, 0)
For Each syl In nextNumber
Yield (syl, 62, 4)
Next
Yield (" bo", 64, 4)
Yield ("ttle" & Plural(i - 1), 64, 4)
Yield (" of", 66, 4)
Yield (" beer", 67, 4)
Yield (" on", 67, 4)
Yield (" the", 67, 4)
Yield (" wall" & vbLf, 67, 4 / 3)
Yield (vbLf, -1, 0)
Next
End Function
' Note 69 = A440
Function MidiNoteToFreq(midiNote As Integer) As Integer
Const REF_NOTE = 69
Const REF_FREQ = 440
Return CInt(REF_FREQ * (2 ^ ((midiNote - REF_NOTE) / 12)))
End Function
'e.g. whole=1, half=2, quarter=4
Function NoteToMilliseconds(noteType As Double, bpm As Integer) As Integer
If noteType = 0 Then Return 0
Const SECS_PER_MIN As Integer = 60
Const MS_PER_SEC As Integer = 1000
Const QT_NOTE_VAL As Integer = 4
Return CInt(SECS_PER_MIN * MS_PER_SEC * QT_NOTE_VAL / (bpm * noteType))
End Function
Sub PlayNote(midiNote As Integer, millisecondsDuration As Integer)
If millisecondsDuration < 1 Then Return
If midiNote > 0 Then
Console.Beep(MidiNoteToFreq(midiNote), millisecondsDuration)
Else
Thread.Sleep(millisecondsDuration)
End If
End Sub
Sub Play(Optional bpm As Integer = 120, Optional octave As Integer = 3, Optional numbersToWords As Boolean = True, Optional cancellationToken As CancellationToken = Nothing)
For Each syl In GetLyrics(numbersToWords)
cancellationToken.ThrowIfCancellationRequested()
Console.Write(syl.text)
PlayNote(syl.midiNote + (12 * (octave - 3)), NoteToMilliseconds(syl.noteType, bpm))
Next
End Sub
Sub Main(args As String())
Dim bpm As Integer
Dim octave As Integer
Dim numbersToWords As Boolean
InitializeArguments(args)
FromArgument("bpm", bpm, Function() 120, AddressOf Integer.TryParse)
FromArgument("oct", octave, Function() 3, AddressOf Integer.TryParse)
FromArgument("words", numbersToWords, Function() True, AddressOf Boolean.TryParse)
Using cts As New CancellationTokenSource()
Dim t = Task.Run(Sub() Play(cancellationToken:=cts.Token,
bpm:=bpm,
octave:=octave,
numbersToWords:=numbersToWords), cts.Token)
Do
Thread.Yield()
Loop Until t.IsCompleted OrElse Console.KeyAvailable
If Not t.IsCompleted Then
Console.WriteLine("STOPPING")
Try
cts.Cancel()
t.Wait()
Catch ex As Exception
End Try
Console.WriteLine("STOPPED")
End If
End Using
End Sub
End Module </lang>
- Output:
Ninety-nine bottles of beer on the wall Ninety-nine bottles of beer Take one down, pass it around Ninety-eight bottles of beer on the wall Ninety-eight bottles of beer on the wall Ninety-eight bottles of beer Take one down, pass it around Ninety-seven bottles of beer on the wall ... One bottle of beer on the wall One bottle of beer Take one down, pass it around Zero bottles of beer on the wall
- Output — for input
words:false:
99 bottles of beer on the wall 99 bottles of beer Take one down, pass it around 98 bottles of beer on the wall 98 bottles of beer on the wall 98 bottles of beer Take one down, pass it around 97 bottles of beer on the wall ... 1 bottle of beer on the wall 1 bottle of beer Take one down, pass it around 0 bottles of beer on the wall
Concurrent
<lang vbnet>Module Program
Function Plural(count As Integer) As String
Return If(count = 1, "", "s")
End Function
Sub Main()
Parallel.For(0, 99,
Sub(i)
i = 99 - i
Console.WriteLine($"{i} bottle{Plural(i)} of beer on the wall")
Console.WriteLine($"{i} bottle{Plural(i)} of beer")
Console.WriteLine($"Take one down, pass it around")
Console.WriteLine($"{i - 1} bottle{Plural(i - 1)} of beer on the wall")
Console.WriteLine()
End Sub)
End Sub
End Module</lang>
- Output:
99 bottles of beer on the wall 27 bottles of beer on the wall 51 bottles of beer on the wall 51 bottles of beer Take one down, pass it around 50 bottles of beer on the wall 27 bottles of beer Take one down, pass it around 26 bottles of beer on the wall 99 bottles of beer Take one down, pass it around 98 bottles of beer on the wall 26 bottles of beer on the wall 26 bottles of beer Take one down, pass it around 25 bottles of beer on the wall 98 bottles of beer on the wall 98 bottles of beer Take one down, pass it around 97 bottles of beer on the wall ...
Less concurrent
<lang vbnet>Module Program
Function Plural(count As Integer) As String
Return If(count = 1, "", "s")
End Function
Sub Main()
Dim lockobj As New Object()
Parallel.For(0, 99,
Sub(i)
i = 99 - i
SyncLock lockobj
Console.WriteLine($"{i} bottle{Plural(i)} of beer on the wall")
Console.WriteLine($"{i} bottle{Plural(i)} of beer")
Console.WriteLine($"Take one down, pass it around")
Console.WriteLine($"{i - 1} bottle{Plural(i - 1)} of beer on the wall")
Console.WriteLine()
End SyncLock
End Sub)
End Sub
End Module</lang>
- Output:
99 bottles of beer on the wall 99 bottles of beer Take one down, pass it around 98 bottles of beer on the wall 51 bottles of beer on the wall 51 bottles of beer Take one down, pass it around 50 bottles of beer on the wall 50 bottles of beer on the wall 50 bottles of beer Take one down, pass it around 49 bottles of beer on the wall 49 bottles of beer on the wall 49 bottles of beer Take one down, pass it around 48 bottles of beer on the wall ...
MoreD RconUcurrentNK
<lang vbnet>Module Program
Function Plural(count As Integer) As String
Return If(count = 1, "", "s")
End Function
Sub Main()
Dim WriteLine =
Sub(s As String)
For Each c In s
Threading.Thread.Sleep(0)
Console.Write(c)
Next
Console.WriteLine()
End Sub
Parallel.For(0, 99,
Sub(i)
i = 99 - i
WriteLine($"{i} bottle{Plural(i)} of beer on the wall")
WriteLine($"{i} bottle{Plural(i)} of beer")
WriteLine($"Take one down, pass it around")
WriteLine($"{i - 1} bottle{Plural(i - 1)} of beer on the wall")
WriteLine("")
End Sub)
End Sub
End Module</lang>
- Output:
9235797 b5 1 bbobbootoottttltttles oftles of beer on the wall beer on the waes of beer on the wtlesallles of beer of beer on 3 bottles of beon the wall er Take one down, pass it around 2 bottles of beer on the wall 99 bottles of beer Take one down, pass it arotl 2uhl ne72bd 57 o 9 btw8botalotl l tebttlso 5leot1esft s lb obeoofestf e t brolbe feeeo ser b onTer akfTtee ahr bke oeeer ne oT one down, pass it around wall n t72a he bottles odown, pass it around 4 bo26 bottles of beerkft we t a ololbnenl s te 9eh o8eedf r o beTwn,er on the wall pass it arouake one dow74 bottles of beer on the wall wall bottles of beer on the wall 98 bottles of beer Takend n, pass it around 26 bottles of beer on 50 bottles of beer on the wall t 175ho 40enb we down, pass it all aobotround b26 bottles of beer Tottles of beer on the tles of beer t97 botwTtataalkllkeeel oe osn 5oneo0fe f d bbdoboeowetewnntr,e,le spr a poosoan the wall sf beer 1s it arn the wall ound T bottle of beer on the wall as it around k97 bottles of beer on the wall 125 bottles of beer on th bottle of beer ee one down, pass it around T wall 4ake one down, pass it around 797 bottles of beer T325 bottles of beer a 9bottl0 bottles of beeron thk es of beer on the wall b on the wall ...
XBasic
<lang xbasic> PROGRAM "99bottles" VERSION "0.0001"
DECLARE FUNCTION Entry()
FUNCTION Entry()
FOR n@@ = 99 TO 1 STEP -1
SELECT CASE TRUE
CASE n@@ = 1:
bottleText1$ = "1 bottle"
bottleText2$ = "No more bottles"
CASE n@@ = 2:
bottleText1$ = "2 bottles"
bottleText2$ = "1 bottle"
CASE ELSE:
bottleText1$ = LTRIM$(STR$(n@@)) + " bottles"
bottleText2$ = LTRIM$(STR$(n@@ - 1)) + " bottles"
END SELECT
PRINT bottleText1$; " of beer on the wall"
PRINT bottleText1$; " of beer"
PRINT "Take one down, pass it around"
PRINT bottleText2$; " of beer on the wall"
PRINT
NEXT n@@
END FUNCTION END PROGRAM </lang>
ZX Spectrum Basic
<lang zxbasic>10 DEF FN n$(b)="no more" AND NOT b 20 DEF FN m$(b)=(STR$ b) AND b 30 DEF FN o$(b)="s" AND (b>1) 40 DEF FN b$(b)=FN m$(b)+FN n$(b) 50 DEF FN p$(b)=FN o$(b)+("s" AND NOT b) 60 FOR i=99 TO 0 STEP -1 70 LET x$=FN b$(i) 80 IF x$(1)="n" THEN LET x$(1)="N" 90 PRINT x$; 100 PRINT " bottle";FN o$(i);" of beer on the wall, "'FN b$(i);" bottle";FN p$(i);" of beer." 110 IF NOT i THEN GO TO 160 120 PRINT "Take one down"'"and pass it around, "; 130 PRINT FN b$(i-1);" bottle";FN p$(i-1);" of beer on the wall." 140 PRINT 150 NEXT i 160 PRINT "Go to the store and buy some more, 99 bottles of beer on the wall." </lang>
VBA
This version uses tail recursion and inline if-statements, plus a Static variable to count the number of bottles emptied.
<lang vb>Public Function countbottles(n As Integer, liquid As String) As String
countbottles = IIf(n > 1, Format$(n), IIf(n = 0, "no more", "one")) & " bottle" & IIf(n = 1, "", "s") & " of " & liquid
End Function
Public Sub drink(fullbottles As Integer, Optional liquid As String = "beer") Static emptybottles As Integer
Debug.Print countbottles(fullbottles, liquid) & " on the wall" Debug.Print countbottles(fullbottles, liquid)
If fullbottles > 0 Then Debug.Print "take " & IIf(fullbottles > 1, "one", "it") & " down, pass it around" Debug.Print countbottles(fullbottles - 1, liquid) & " on the wall" Debug.Print emptybottles = emptybottles + 1 drink fullbottles - 1, liquid Else Debug.Print "go to the store and buy some more" Debug.Print countbottles(emptybottles, liquid) & " on the wall" End If
End Sub</lang>
Usage: type "drink 99" in the Immediate window of the VBA editor. If you're not a beer drinker, you can specify your own favourite drink as the second argument; for example:
drink 3, "Johnnie Walker" 3 bottles of Johnnie Walker on the wall 3 bottles of Johnnie Walker take one down, pass it around 2 bottles of Johnnie Walker on the wall 2 bottles of Johnnie Walker on the wall 2 bottles of Johnnie Walker take one down, pass it around one bottle of Johnnie Walker on the wall one bottle of Johnnie Walker on the wall one bottle of Johnnie Walker take it down, pass it around no more bottles of Johnnie Walker on the wall no more bottles of Johnnie Walker on the wall no more bottles of Johnnie Walker go to the store and buy some more 3 bottles of Johnnie Walker on the wall
VBScript
Simple Method
<lang vb>sub song( numBottles ) dim i for i = numBottles to 0 step -1 if i > 0 then wscript.echo pluralBottles(i) & " of beer on the wall" wscript.echo pluralBottles(i) & " of beer" if i = 1 then wscript.echo "take it down" else wscript.echo "take one down" end if wscript.echo "and pass it round" wscript.echo pluralBottles(i-1) & " of beer on the wall" wscript.echo else wscript.echo "no more bottles of beer on the wall" wscript.echo "no more bottles of beer" wscript.echo "go to the store" wscript.echo "and buy some more" wscript.echo pluralBottles(numBottles) & " of beer on the wall" wscript.echo end if next end sub
function pluralBottles( n ) select case n case 1 pluralBottles = "one bottle" case 0 pluralBottles = "no more bottles" case else pluralBottles = n & " bottles" end select end function
song 3</lang>
- Output:
3 bottles of beer on the wall 3 bottles of beer take one down and pass it round 2 bottles of beer on the wall 2 bottles of beer on the wall 2 bottles of beer take one down and pass it round one bottle of beer on the wall one bottle of beer on the wall one bottle of beer take it down and pass it round no more bottles of beer on the wall no more bottles of beer on the wall no more bottles of beer go to the store and buy some more 3 bottles of beer on the wall
Regular Expressions and Embedded Scripting
Another way of doing it, using Regular Expressions to locate executable code inside {} and replacing the code with the result of its evaluation.
<lang vb>function pluralBottles( n ) select case n case 1 pluralBottles = "one bottle" case 0 pluralBottles = "no more bottles" case else pluralBottles = n & " bottles" end select end function
function eef( b, r1, r2 ) if b then eef = r1 else eef = r2 end if end function
Function evalEmbedded(sInput, sP1) dim oRe, oMatch, oMatches dim sExpr, sResult Set oRe = New RegExp 'Look for expressions as enclosed in braces oRe.Pattern = "{(.+?)}" sResult = sInput do Set oMatches = oRe.Execute(sResult) if oMatches.count = 0 then exit do for each oMatch in oMatches '~ wscript.echo oMatch.Value for j = 0 to omatch.submatches.count - 1 sExpr = omatch.submatches(j) sResult = Replace( sResult, "{" & sExpr & "}", eval(sExpr) ) next next loop evalEmbedded = sResult End Function
sub sing( numBottles ) dim i for i = numBottles to 0 step -1 if i = 0 then wscript.echo evalEmbedded("no more bottles of beer on the wall" & vbNewline & _ "no more bottles of beer" & vbNewline & _ "go to the store and buy some more" & vbNewline & _ "{pluralBottles(sP1)} of beer on the wall" & vbNewline, numBottles) else wscript.echo evalEmbedded("{pluralBottles(sP1)} of beer on the wall" & vbNewline & _ "{pluralBottles(sP1)} of beer" & vbNewline & _ "take {eef(sP1=1,""it"",""one"")} down and pass it round" & vbNewline & _ "{pluralBottles(sP1-1)} of beer on the wall" & vbNewline, i) end if next end sub
sing 3</lang>
- 99 Bottles of Beer
- Collection Members
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