RosettaCodeData/Task/Four-is-magic/AutoHotkey/four-is-magic-1.ahk
2023-07-01 13:44:08 -04:00

27 lines
1.4 KiB
AutoHotkey

Four_is_magic(num){
nubmer := num
while (num <> 4)
result .= (res := spell(num)) " is " spell(num := StrLen(res)) ", "
return PrettyNumber(nubmer) " " result "four is magic!"
}
Spell(n) { ; recursive function to spell out the name of a max 36 digit integer, after leading 0s removed
Static p1=" thousand ",p2=" million ",p3=" billion ",p4=" trillion ",p5=" quadrillion ",p6=" quintillion "
, p7=" sextillion ",p8=" septillion ",p9=" octillion ",p10=" nonillion ",p11=" decillion "
, t2="twenty",t3="thirty",t4="forty",t5="fifty",t6="sixty",t7="seventy",t8="eighty",t9="ninety"
, o0="zero",o1="one",o2="two",o3="three",o4="four",o5="five",o6="six",o7="seven",o8="eight"
, o9="nine",o10="ten",o11="eleven",o12="twelve",o13="thirteen",o14="fourteen",o15="fifteen"
, o16="sixteen",o17="seventeen",o18="eighteen",o19="nineteen"
If (11 < d := (StrLen(n)-1)//3) ; #of digit groups of 3
Return "Number too big"
If (d) ; more than 3 digits
Return Spell(SubStr(n,1,-3*d)) p%d% ((s:=SubStr(n,1-3*d)) ? ", " Spell(s) : "")
i := SubStr(n,1,1)
If (n > 99) ; 3 digits
Return o%i% " hundred" ((s:=SubStr(n,2)) ? " " Spell(s) : "")
If (n > 19) ; n = 20..99
Return t%i% ((o:=SubStr(n,2)) ? "-" o%o% : "")
Return o%n% ; n = 0..19
}
PrettyNumber(n) { ; inserts thousands separators into a number string
Return RegExReplace(n, "\B(?=((\d{3})+$))", ",")
}