http://www.perlmonks.org?node_id=1029909


in reply to Re: calling awk one liner from perl
in thread calling awk one liner from perl

... because they try to load the entire file at once into the memory and then apply the changes on them.

No, they don't. Perhaps you're saving too much data into an associative array? Anyway, that's enough guessing games w/o any actual examples.