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Re: failed grep should cause subshell to exit


From: Chris Down
Subject: Re: failed grep should cause subshell to exit
Date: Tue, 27 Aug 2013 03:53:20 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

On 2013-08-27 03:48, Chris Down wrote:
> It does -- like Andreas said, it just makes it immune to `set -e'.
> 
>     $ set -e
>     $ > file
>     $ ! grep foo file
>     $ echo $?
>     0

Or, perhaps more closely matching your case:

    $ set -e
    $ echo foo > file
    $ ! grep foo file
    foo
    $ echo $?
    1

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