I almost spit out my water when I read this line from your first code block:

my $value = $shit{$key};
[download]

From a purely social point of view, it's probably bad form to use dirty language in a computer program. Just doesn't look professional ;-)

From a code point of view, trying to retrieve a value from one hash with a key from another is also bad form, and might have something to do with your problematic output.