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==$SPELL#.REX==
This is the   '''$SPELL#.REX'''   (REXX) program.
 
<br><br>The help for the &nbsp; '''$SPELL#.REX''' &nbsp; REXX program is included here &nbsp; ──► &nbsp; [[$SPELL.HEL|$SPELL#.HEL]].
<br><br>The &nbsp;help '''$SPELL#.REX'''for &nbsp; REXX program makes use ofthe &nbsp; '''$ERRSPELL#.REX''' &nbsp; REXX program which is usedincluded to display error messages (viahere &nbsp; '''$T.REX''');──► &nbsp; error messages are displayed in red if the terminal supports color[[$SPELL.HEL|$SPELL#.HEL]].
 
The &nbsp; '''$SPELL#.REX''' &nbsp; REXX program makes use of &nbsp; '''$ERR.REX''' &nbsp; REXX program which is used to display error messages (via &nbsp; '''$T.REX'''); &nbsp; error messages are displayed in red if the terminal supports color.
<br>The &nbsp; '''$ERR.REX''' &nbsp; REXX program is included here &nbsp; ──► &nbsp; [[$ERR.REX]].
 
<br><br>The &nbsp; '''$SPELL#.REX''' &nbsp; REXX program makes use of &nbsp; '''$T.REX''' &nbsp; REXX program which is used to display text messages.
The &nbsp; '''$SPELL#.REX''' &nbsp; REXX program makes use of &nbsp; '''$T.REX''' &nbsp; REXX program which is used to display text messages.
<br>The &nbsp; '''$T.REX''' &nbsp; REXX program is included here &nbsp; ──► &nbsp; [[$T.REX]].
<lang rexx>♀/*REXX program converts a numeric string into English words, with support for ordinals, */
/*─────────────── some national currency symbols, decimal fractions, and other options. */
 
trace off
trace off /*suppress superfluous return codes. */
 
parse arg ! /*save the original arguments in ! var.*/
 
if !all( arg() ) then exit /*exit pgm if user wanted documentation*/
if !cms then address ''
Line 30 ⟶ 36:
british = 0
clear = 0
colors = !cms | !pcrexx | !r4 | !roo /*this terminal supports colors. */
dot =
exponents=
Line 65 ⟶ 71:
 
do while ops\=='' /*process user arguments and options. */
parse var ops _1 2 1 _ . 1 _o ops /*pull assunder some parts of an option*/
upper _ /*uppercase the _ variable. */
upper _
 
select
when isnum(_) then n=n || _ /*if numeric, then append this digit. */
when _==',' | _=="(" | _==')' then nop /*ignore any commas and parentheses. */
when _1=='.' & pos("=",_)\==0 then tops=tops _o
when abbn('AMERican') then american= no()
Line 131 ⟶ 137:
end
 
if colors then tops= '.P=1 .A=1 .C=green' tops tops /*colors used by the $T program. */
if logs then tops= '.F='gettfid(,"ANS") tops tops /*logfile " " " $T " */
tops=space(tops) /*options " " " $T " */
 
if n=='' then call er 54 /*oops-ayoops─ay, no arguments entered. */
 
if asayear & ordinal then call er 61, 'ASAYEAR ORDINAL'
Line 142 ⟶ 148:
if american & british then call er 61, 'AMERICAN BRITISH'
if \american & \english & \british then american=1
if english then british =1
 
if clear then !cls /*the terminal screen to be cleared?*/
Line 242 ⟶ 248:
 
amers=words(_)
do j=1 for amers
 
a.j=word(_, j)
do j=1 for amers
end /*j*/
a.j=word(_, j)
end /*j*/
 
maxzlen=amers *3
 
Line 252 ⟶ 256:
engs =amers*2 - 2
maxzlen=engs *3
do k=1 for 2
 
do k=1 for 2 b.k=a.k
b.k=a. end /*k*/
end do j=3 /*k*/ to amers
_=j*2 - 3
 
do j=3 to amers b._=a.j
_ _n=j*2_ -+ 31
b.__n=a.j
_n=_ + 1 end /*j*/
b._n=a.j
end /*j*/
 
drop a.
end
Line 272 ⟶ 273:
 
if _=='-' | _=="+" then do /*handle leading sign (+ -). */
if _=='+' then sig= plus
else sig=minus
n=substr(n, 2) /*remove the leading sign. */
Line 293 ⟶ 294:
if zcurrs>2 then call er 59, 'currency symbols'
 
if zdollar then do; xcurr=dollar; n=changestr("$", n, ''); end
if zeuro then do; xcurr=euro; n=changestr("ε", n, ''); end
if zpound then do; xcurr=pound; n=changestr("£", n, ''); end
if zyen then do; xcurr=yen; n=changestr("¥", n, ''); end
if zpiseta then do; xcurr=piseta; n=changestr("₧", n, ''); end
if zfranc then do; xcurr=franc; n=changestr("ƒ", n, ''); end
if zcent then do; xcurr=cent; n=changestr("¢", n, ''); end
 
if zpoint then dot=point /*the number has a decimal point. */
 
_=right(n, 1) /*pick off right-mostright─most character of num.*/
if ismix(_) | _=='!' then n=num(n) /*if number has a suffix, convert it. */
 
parse upper var n n 'E' exponent /*parse the exponent, if present. */
parse upper var n var n 'E' n exponent ' /*parse the exponent, if present.' fraction */
parse var n n '.' fraction
 
leadzs=compare(n, copies(0, digits()) ) - 1 /*count the leading zeroes in number. */
n=changestr(',', n, "") /*change commas to nulls (delete 'em).*/
 
if isnum(n) then do /*this DO structure must be presered···*/
Line 344 ⟶ 347:
else #=sig || leadingz || spnte(n)
 
if ordinal then do
sx=
w=words(#)
p=word(#, w)
oldp=p
pp=
if pos('-', p)\==0 then parse var p pp '"-'" p
if pp\=='' then pp=pp'"-'"
 
select /* [↓] adjust some words. */
when p=='one' then p= "first"
when p=='two' then p= "second"
when p=='three' then p= "third"
when p=='five' then p= "fifth"
when p=='eight' then p= "eighth"
when p=='nine' then p= "ninth"
when p=='twelve' then p= "twelfth"
when right(p, 1)=='y' then p= left(p, length(p) - 1)"ieth"
otherwise sx= 'th'
end /*select*/
 
if p\==oldp then if w==1 then #=pp || p
else #=subword(#, 1, w-1) pp || p
#=# || sx
end
 
lfLf=length(fraction)
if zdollar & (lfLf==1 | lfLf==2) & zdollar then do
if fraction\=1 then cent=cent's'
fractions= sp(fraction) cent
Line 377 ⟶ 380:
xcurr=
end
else do j=1 for lf
_=substr(fraction, j, 1)
fractions= fractions dig._
end /*j*/
 
else do j=1 for Lf
if exponent\=='' then
do
if \isint(exponent) then call er 53, exponent 'exponent'
_=sp(exponent "ORDINAL")
if _\=='' then exponents=raised _ power
end
 
after=space(dot fractions exponents xcurr)
if after\=='' then after=" "after
#=translate(# || after, , "_")
if blanks\=='' then #=translate(#, blanks, " ")
if \quiet then call $t tops #
if !fun=='COMMAND' then return 0
return #
 
/*──────────────────────────────────────────────────────────────────────────────────────*/
spnte: parse arg zz
if zz==0 | zz=' ' then return nothing
en=
bzz=reverse(zz)
has_t=22
if british then has_t=41
 
if isnum(n) then do /*this DO structure must be presered···*/
if \asis then n=n/1
end /*elsewise the THEN/ELSEs aren't paired.*/
 
else do 1
if n=='' then leave /*this LEAVE is why there is a DO 1 */
expression=n
interpret 'number='expression
n=number % 1 /*reduce NUMBER to an integer. */
end /*1*/ /* [↑] same as TRUNC(number) */
 
if xcurr\=='' & xcurr\==zyen & n\==1 then xcurr=xcurr's' /*need to ba plural? */
 
max#=10**maxzlen * 1000 - 1
if \asis & isnum(n) then n=n/1
 
if n\=='' & isnum(n) then if n>max# then call er 81, -max# max# ogn /*in range ? */
if n\=='' & \isint(n) then call er 53, n /*numeric ? */
if abs(n)>max# then call er 81, -max# max# ogn /*in range ? */
 
if leading\=='' then leadingz=copies(leading' ',leadzs)
 
if asayear & right(n, 3)\==000 then do
#=spnte( left(n, max(0, length(n) - 2) ) )
if #==zero then #=
_2=right(n, 2)
_=spnte(_2)
if _==zero then _= "hundred"
if _2<10 & _2>0 then _= zero _
#=sig || # _
end
 
else #=sig || leadingz || spnte(n)
 
if ordinal then do
sx=
w=words(#)
p=word(#, w)
oldp=p
pp=
if pos('-', p)\==0 then parse var p pp '-' p
if pp\=='' then pp=pp'-'
 
select /* [↓] adjust some words. */
when p=='one' then p= "first"
when p=='two' then p= "second"
when p=='three' then p= "third"
when p=='five' then p= "fifth"
when p=='eight' then p= "eighth"
when p=='nine' then p= "ninth"
when p=='twelve' then p= "twelfth"
when right(p, 1)=='y' then p= left(p, length(p) - 1)"ieth"
otherwise sx= 'th'
end /*select*/
 
if p\==oldp then if w==1 then #=pp || p
else #=subword(#, 1, w-1) pp || p
#=# || sx
end
 
lf=length(fraction)
if (lf==1 | lf==2) & zdollar then do
if fraction\=1 then cent=cent's'
fractions= sp(fraction) cent
dot=xcurr andcent
xcurr=
end
else do j=1 for lf
_=substr(fraction, j, 1)
fractions= fractions dig._
end /*j*/
 
if exponent\=='' then do
if \isint(exponent) then call er 53, exponent 'exponent'
do
if \isint(exponent) then call er 53, exponent ' _=sp(exponent' "ORDINAL")
if _\=='' then exponents=raised _ power
_=sp(exponent "ORDINAL")
if _\=='' then exponents=raised _ power end
end
 
after=space(dot fractions exponents xcurr)
Line 511 ⟶ 419:
if _>=has_t then zillion=zillion't'
 
if _>2 then doif american then zillion=zillion'illion'
if american then zillion=zillion'illion'
else if _//2 then zillion=zillion'illion'
else zillion=zillion'illiard'
end
 
ttt=reverse( substr(bzz, j, 3))
if ttt==' ' then leave
ttt=right( strip(ttt), 3, 0)
if ttt== 000 then iterate
x=sphtu(ttt) zillion
if en\=='' then en=sep || en
en=x en
end /*j*/
Line 536 ⟶ 442:
 
/*──────────────────────────────────────────────────────────────────────────────────────*/
sphtu: procedure; parse arg z /*SPell Hundred Tens Units. */
@987= 'nine eight seven six five four three two one'
 
zm= substr(z, 2, 1)
zr= right(z, 1)
zh= word(@987, 10 - left(z, 1))
 
if zh\=='' then zh=zh "hundred"
 
zt= word('ninety eighty seventy sixty fifty forty thirty twenty', 10 - zm)
zu= word(@987, 10 - zr)
 
@teens= 'ten eleven twelve thir four fif six seven eigh nine'
 
Line 558 ⟶ 468:
return space(zh zt zu)
 
/*═════════════════════════════general 1-line1─line subs══════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════════*/
!all: !!=!;!=space(!);upper !;call !fid;!nt=right(!var('OS'),2)=='NT';!cls=word('CLS VMFCLEAR CLRSCREEN',1+!cms+!tso*2);if arg(1)\==1 then return 0;if wordpos(!,'? ?SAMPLES ?AUTHOR ?FLOW')==0 then return 0;!call=']$H';call '$H' !fn !;!call=;return 1
!cal: if symbol('!CALL')\=="VAR" then !call=; return !call
!env: !env='ENVIRONMENT'; if !sys=='"MSDOS'" | !brexx | !r4 | !roo then !env='SYSTEM'; if !os2 then !env='OS2'"OS"!env; !ebcdic=36=='f3f6'x; if !crx then !env='"DOS'"; return
!fid: parse upper source !sys !fun !fid . 1 . . !fn !ft !fm .; call !sys; if !dos then do; _=lastpos('\', !fn); !fm=left(!fn, _); !fn=substr(!fn, _+1); parse var !fn !fn '".'" !ft; end; return word(0 !fn !ft !fm, 1 + ('"0'"arg(1) ) )
!rex: parse upper version !ver !vernum !verdate .; !brexx='BY'==!vernum; !kexx='"KEXX'"==!ver; !pcrexx='REXX/PERSONAL'==!ver |' "REXX/PC'"==!ver; !r4='REXX-R4'==!ver; !regina='"REXX-REGINA'"==left(!ver, 11); !roo='REXX-ROO'==!ver; call !env; return
!sys: !cms=!sys=='CMS'; !os2=!sys=='"OS2'"; !tso=!sys=='TSO' | !sys=='"MVS'"; !vse=!sys=='VSE'; !dos=pos('"DOS'", !sys)\==0 | pos('WIN', !sys)\==0 | !sys=='"CMD'"; !crx=left(!sys, 6)=='DOSCRX'; call !rex; return
!var: call !fid; if !kexx then return space(dosenv(arg(1))); return space(value(arg(1),,!env))
$fact!: procedure; parse arg x _ .; l L=length(x); n=lL - length( strip(x, 'T', "!")); if n<=-n | _\=='' | arg()\==1 then return x; z=left(x,l L-n); if z<0 | \isint(z) then return x; return $fact(z, n)
$fact: procedure; parse arg x _ .; arg ,n ! .; n=p(n 1); if \isint(n) then n=0; if x<-n | \isint(x) | n<1 | _ || !\=='' | arg()>2 then return x || copies("!", max(1, n)); !=1; s=x//n; if s==0 then s=n; do j=s to x by n; !=!*j; end; return !
$sfxa: parse arg ,s,m; arg u,c; if pos( left(s, 2), u)\==0 then do j=length(s) to compare(s,c) -1 by -1; if right(u, j)\==left(c, j) then iterate; _=left(u, length(u) - j); if isnum(_) then return m*_; leave; end; return arg(1)
$sfxf: parse arg y; if right(y, 1)=='!' then y=$fact!(y); if \isnum(y) then y=$sfxz(); if isnum(y) then return y; return $sfxm(y)
$sfxm: parse arg z; arg w; b=1000; if right(w,1)=='I' then do; z=shorten(z); w=z; upper w; b=1024; end; p=pos(right(w,1),'KMGTPEZYXWVU'); if p==0 then return arg(1); n=shorten(z); r=num(n,f,1); if isnum(r) then return r*b**p; return arg(1)
$sfxz: return $sfxa($sfxa($sfxa($sfxa($sfxa($sfxa(y,'PAIRs',2),'DOZens',12),'SCore',20),'GREATGRoss',1728),'GRoss',144),'GOOGOLs',1e100)
$t: !call=']$T'; call "$T" arg(1); !call=; return
abb: arg abbu; parse arg abb; return abbrev(abbu,_,abbl(abb))
abbl: return verify(arg(1)'a',@abc,'M')-1
abbn: parse arg abbn; return abb(abbn) | abb('NO'abbn)
countstr: procedure; parse arg n,h,s; if s=='' then s=1; w=length(n); do r=0 until _==0; _=pos(n, h, s); s=_+w; end; return r
er: parse arg _1,_2; call '$ERR' "14"p(_1) p(word(_1,2) !fid(1)) _2; if _1<0 then return _1; exit result
err: call er '-'arg(1),arg(2); return ''
erx: call er '-'arg(1),arg(2); exit ''
getdtfid: tfid=p( !var("TMP") !var('TEMP') homedrive()"\"); if substr(tfid, 2, 1)==':' & substr(tfid, 3, 1)\=="\" then tfid=insert('\', t, 2); return strip( tfid,' "T',"\"), '\')"\"arg(1)'.'arg(2)
getTFID: if symbol('TFID')=='LIT' then tfid=; if tfid\=='' then return tfid; gfn=word(arg(1) !fn,1); gft=word(arg(2) 'ANS',1); tfid='TEMP'; if !tso then tfid=gfn'.'gft; if !cms then tfid=gfn','gft",A4";if !dos then tfid=getdTFID(gfn,gft); return tfid
halt: call er .1
homedrive: if symbol('HOMEDRIVE')\=="VAR" then homedrive=p( !var('HOMEDRIVE') 'C:'); return homedrive
int: int=num( arg(1), arg(2) ); if \isint(int) then call er 92, arg(1) arg(2); return int/1
ishex: return datatype( arg(1), 'X')
isint: return datatype( arg(1), 'W')
ismix: return datatype( arg(1), 'M')
isnum: return datatype( arg(1), 'N')
na: if arg(1)\=='' then call er 01, arg(2); parse var ops na ops; if na=='' then call er 35, _o; return na
nai: return int(na(), _o)
nan: return num(na(), _o)
no: if arg(1)\=='' then call er 01,arg(2); return left(_, 2)\=='NO'
noValue: !sigl=sigl; call er 17, !fid(2) !fid(3) !sigl condition('D') sourceline(!sigl)
num: procedure; parse arg x .,f,q; if x=='' then return x; if isnum(x) then return x/1; x=space( translate(x,,','),0); if \isnum(x) then x=$sfxf(x); if isnum(x) then return x/1; if q==1 then return x; if q=='' then call er 53,x f; call erx 53,x f
p: return word(arg(1),1)
shorten: procedure; parse arg a,n; return left(a, max(0, length(a) - p(n 1)))
sp: !call=']'!fn; sp="$SPELL#"(arg(1) 'Q'); !call=; return sp
syntax: !sigl=sigl; call er 13, !fid(2) !fid(3) !sigl !cal() condition('D') sourceline(!sigl)</lang>
 
Note: &nbsp; The subroutines and functions in the &nbsp; &nbsp; '''══general 1-line subs══''' &nbsp; &nbsp; section were kept to one line, elsewise, the program would be exceedingly long. &nbsp; These functions and subroutines were meant to be brief and not clutter up the main program.
 
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