Re: [PATCH] git-svn: Don't rely on $_ after making a function call

From: Randal L. Schwartz <merlyn@stonehenge.com>
Date: Apr 26, 2007, 02:11 UTC
Message-ID: <864pn3hokb.fsf@blue.stonehenge.com>
In-Reply-To: <7v4pn4w41k.fsf@assigned-by-dhcp.cox.net>

>>>>> "Junio" == Junio C Hamano <junkio@cox.net> writes:

Junio> I suspect Merlyn has better explanation, but...

Junio> for (list) { Junio> ... Junio> }

Junio> loop implicitly localizes $_ and does not share this problem, Junio> which I really appreciate whenever I am writing Perl code, but Junio> often enough I was bitten by scripts that use "while (<$fh>)", Junio> which does not localizes $_, and made hard to spot bugs by Junio> clobbering $_.

Junio> I find the patch a good safety measure for any future breakages.

I'm happy with the patch.

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