Programming Tips - What's the fastest read-only way to loop thru a perl hash?

Date: 2008jun9 Language: perl Keywords: through, iterate Q. What's the fastest read-only way to loop thru a perl hash? A. If you do not want to change values, I think the fastest way to get thru a hash is:
while (($var, $val) = each %h) { print "$var=$val\n"; }