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LANGUAGE OS.iso
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TESTS.ARC
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SPELLER.ICN
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1990-03-28
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1KB
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50 lines
procedure spell(n)
local m
n := integer(n) | stop(image(n)," is not an integer")
if n <= 12 then return {
"0zero,1one,2two,3three,4four,5five,6six,7seven,8eight,_
9nine,10ten,11eleven,12twelve," ? {
tab(find(n))
move(*n)
tab(upto(","))
}
}
else if n <= 19 then return {
spell(n[2] || "0") ?
(if ="for" then "four" else tab(find("ty"))) || "teen"
}
else if n <= 99 then return {
"2twen,3thir,4for,5fif,6six,7seven,8eigh,9nine," ? {
tab(upto(n[1]))
move(1)
tab(upto(",")) || "ty" ||
if n[2] ~= 0 then "-" || spell(n[2])
}
}
else if n <= 999 then return {
spell(n[1]) || " hundred" ||
(if (m := n[2:0]) ~= 0 then " and " || spell(m) else "")
}
else if n <= 999999 then return {
spell(n[1:-3]) || " thousand" ||
(if (m := n[2:0]) ~= 0 then " and " || spell(m) else "")
}
else if n <= 999999999 then return {
spell(n[1:-6]) || " million" ||
(if (m := n[2:0]) ~= 0 then " and " || spell(m) else "")
}
else fail
end
procedure spellw(n)
write(n, " ", spell(n))
return
end
procedure main()
every spellw(1 to 25)
every spellw(30 to 110 by 3)
spellw(945123342)
every spellw(10000000 to 10000500 by 7)
end