actually not quite =)

grep { $hash{$_} > 1 } is equivalent to map {$_ if $hash{$_} > 1}

grep {$_ if $hash{$_} > 1} only greps if the key $_ is also true.

Which I agree is very odd code!

Cheers Rolf

( addicted to the Perl Programming Language)

In reply to Re^3: why use a hash instead of an array by LanX
in thread why use a hash instead of an array by DarrenSol

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