From: Michal Politowski <mpol@charybda.icm.edu.pl>
To: zsh-users@sunsite.dk
Subject: Re: RFT: Request for a trick :O)
Date: Sat, 6 Aug 2005 09:50:40 +0200 [thread overview]
Message-ID: <20050806075040.GA7698@Amber.lab.icm.edu.pl> (raw)
In-Reply-To: <20050806.065638.92586082.Meino.Cramer@gmx.de>
On Sat, 6 Aug 2005 06:56:38 +0200, Meino Christian Cramer wrote:
[...]
> cmp < `7z x -so foo.7z` < `7z x -so bar.7z`
>
> may work I thought...but it doesnt (the assumption was totally
> wrong)... ( "7z x -so <file>.7z" means "unpack <file>.7z to stdout)
>
> But...may be someone else knows a tricky way to prevent temporary
> files to compare the (single file) contents of two archives in one
> go???
Almost there. Read about process substitution in the documentation.
It looks like <(command), >(command) and =(command)
so in your case
cmp <(7z x -so foo.7z) <(7z x -so bar.7z)
should work.
--
Michał Politowski
Talking has been known to lead to communication if practiced carelessly.
next prev parent reply other threads:[~2005-08-06 8:06 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-06 4:56 Meino Christian Cramer
2005-08-06 7:50 ` Michal Politowski [this message]
2005-08-06 8:35 ` Meino Christian Cramer
2005-08-08 10:04 ` Peter Stephenson
2005-08-08 10:35 ` Stephane Chazelas
2005-08-08 10:41 ` Peter Stephenson
2005-08-08 15:44 ` Meino Christian Cramer
2005-08-08 16:02 ` Peter Stephenson
2005-08-08 16:34 ` Meino Christian Cramer
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