Your map and grep are in void context. map does work within the codeblock which could as well be done outside. grep is a plain poor choice. for and foreach are identical:

%input = map { $_ => $q->param($_) } $q->param();

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Another possibility is hash slices.

After Compline,
Zaxo

In reply to Re: map, grep, for, foreach by Zaxo
in thread map, grep, for, foreach by mt2k

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