'scuse my ignorance of nether regions below Perl's skirts, but would it impose a huge performance penalty for map and grep to localise $_ on entry?

I visualise them as subs with their own local scope. Would a local $_; at the top cost so very much?

Well It's better than the Abottoire, but Yorkshire!

In reply to Re: while(<>) { ... } considered harmful by BrowserUk
in thread while(<>) { ... } considered harmful by IlyaM

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