From: Alex Riesen <raa.lkml@gmail.com>
Date: Thu, 23 Feb 2006 09:41:23 GMT
Subject: Re: [PATCH] fmt-merge-msg: avoid open "-|" list form for Perl 5.6
Message-ID: <81b0412b0602230141g46dbfaev6baa5083dee2d42@mail.gmail.com>
In-Reply-To: <81b0412b0602230135w472aa6f3v72980f6f63bb355f@mail.gmail.com>

On 2/23/06, Alex Riesen <raa.lkml@gmail.com> wrote:
> On 2/23/06, Junio C Hamano <junkio@cox.net> wrote:
> > "Alex Riesen" <raa.lkml@gmail.com> writes:
> >
> > > I'll keep that in mind. But there are places where a safe pipe is unavoidable
> > > (filenames. No amount of careful quoting will save you).
> >
> > Huh?
>
> Because you never know what did the next interpreter took for unquoting:
> $SHELL, /bin/sh cmd /c, or something else.
>
And that stupid activestate thing actually doesn't use any. Just tried:

  perl -e '$,=" ";open(F, "sleep 1000 ; # @ARGV |") and print <F>'

It passed the whole string "1000 ; # @ARGV" to sleep from $PATH.
It failed to sleep at all, of course. The same code works perfectly on
almost any UNIX system.