List::Util::reduce() is very useful for this: 

use List::Util qw[ shuffle reduce ];;

my %hash; @hash{ 'a'..'z' } = shuffle 1 .. 26;;

my $maxKey = reduce{ $hash{ $a } > $hash{ $b } ? $a : $b } keys %hash;
+;

print "$maxKey : ", $hash{ $maxKey };;
x :  26

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In reply to Re: max "value " of an hash by BrowserUk
in thread max "value " of an hash by perl_user123

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