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Re: Piped grep giving different results in "M-x grep" vs. from a shell ?
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From: |
Óscar Fuentes |
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Subject: |
Re: Piped grep giving different results in "M-x grep" vs. from a shell ?? |
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Date: |
Fri, 20 Aug 2010 01:38:57 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
François Granade <francois@granade.com> writes:
> I'm trying to grep for the string "bar" but not for "foobar".
>
> From a shell, if I run "grep -nH -e 'bar' * | grep -v 'foobar'", I get
> the results I expect: the lines that contain "bar" but not 'foobar'.
>
> However, if I run from within emacs (M-x grep), the same command
> returns also the lines that contain "foobar".
>
> I'm running emacs shipped in MacOS X 10.6 "GNU Emacs 22.1.1
> (mac-apple-darwin) of 2010-02-26 on crevasse.apple.com"; if I'm
> correct, pipes should be supported in this version of Emacs. What's
> wrong with me ?
It works for me on GNU Emacs 24.0.50.3 (x86_64-unknown-linux-gnu, X
toolkit) of 2010-08-12