You can avoid the scalar op and a useless variable by just calling keys in scalar context:

I'd want to see that documented in the code or someone will get bitten! 

keys %hash; # reset each to beginning of hash
return "The key for 2 is $key\n" if $val == 2;

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--
Murray Barton
Do not seek to follow in the footsteps of the wise. Seek what they sought. -Basho

In reply to Re^2: Ouch! Each! Reentrant it is not by greenFox
in thread Ouch! Each! Reentrant it is not by Thilosophy

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