CUSIP: Difference between revisions
Add CLU
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87264ABE4 valid
</pre>
=={{header|CLU}}==
<lang clu>valid_cusip = proc (s: string) returns (bool)
own chars: string := "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ*@#"
if string$size(s) ~= 9 then return(false) end
sum: int := 0
for i: int in int$from_to(1,8) do
v: int := string$indexc(s[i], chars)-1
if v<0 then return(false) end
if i//2=0 then v := v*2 end
sum := sum + v/10 + v//10
end
check: int := (10 - sum // 10) // 10
return(check = string$indexc(s[9], chars)-1)
end valid_cusip
start_up = proc ()
po: stream := stream$primary_output()
cusips: array[string] := array[string]$[
"037833100",
"17275R102",
"38259P508",
"594918104",
"68389X106",
"68389X105"
]
for cusip: string in array[string]$elements(cusips) do
stream$puts(po, cusip || ": ")
if valid_cusip(cusip)
then stream$putl(po, "valid")
else stream$putl(po, "invalid")
end
end
end start_up</lang>
{{out}}
<pre>037833100: valid
17275R102: valid
38259P508: valid
594918104: valid
68389X106: invalid
68389X105: valid</pre>
=={{header|Common Lisp}}==
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