Re^4: how to traverse thru this hash?

Thanks for that link. Interestingly enough, at the bottom of the foreach section in that document, this is written:

And it's faster because Perl executes a foreach statement more rapidly than it would the equivalent for loop.

So you might want to consider typing those four extra letters. :)

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Re^5: how to traverse thru this hash? by japhy (Canon) on Nov 04, 2005 at 15:59 UTC
Context, context, context. The foreach keyword is actually a synonym for the for keyword, so you can use foreach for readability or for for brevity. and then later: And it's faster because Perl executes a foreach statement more rapidly than it would the equivalent for loop. That second quote (yours) is in regards to `for ($i = 0; $i < @array; $i++) { $array[$i] ... }` vs. `foreach (@array) { $_ ... }` Jeff `japhy` Pinyan, P.L., P.M., P.O.D, X.S.: Perl, regex, and `perl` hacker How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart	[reply] [d/l] [select]

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Re^5: how to traverse thru this hash?
by japhy (Canon) on Nov 04, 2005 at 15:59 UTC

The foreach keyword is actually a synonym for the for keyword, so you can use foreach for readability or for for brevity.

And it's faster because Perl executes a foreach statement more rapidly than it would the equivalent for loop.

for ($i = 0; $i < @array; $i++) { $array[$i] ... }

foreach (@array) { $_ ... }

Jeff japhy Pinyan, P.L., P.M., P.O.D, X.S.: Perl, regex, and perl hacker
How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart

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