while ($h = each %$rf_h) { ... }

[download]
Careful: that will bail out of the loop early if it encounters a empty '' string key. You need to parenthesize the left side to signify list context: 
while (($h) = each %$rf_h) { ... }

[download]
Update: oh wow, ya learn something new every day.

Makeshifts last the longest.

In reply to Re^2: How Perl Optimize your code & some code TIPS ;-P by Aristotle
in thread How Perl Optimize your code & some code TIPS ;-P by gmpassos

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