in reply to Processing large files

if ($counter = 3000)

If you had warnings enabled, Perl would tell you:

if ($counter = 3000) { 1 };; Found = in conditional, should be == at ...

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.