From: Andreas Schwab <schwab@suse.de>
Cc: emacs-devel@gnu.org
Subject: Re: compile.el::grep-program - should it use egrep instead of grep?
Date: Mon, 12 Sep 2005 18:30:56 +0200 [thread overview]
Message-ID: <jewtlmxn7j.fsf@sykes.suse.de> (raw)
In-Reply-To: <1x3ujn0j.fsf@cante.net> (Jari Aalto's message of "Mon, 12 Sep 2005 18:58:52 +0300")
Jari Aalto <jari.aalto@cante.net> writes:
> Andreas Schwab <schwab@suse.de> writes:
>
> | Jari Aalto <jari.aalto@cante.net> writes:
> |
> | > Could you elaborate a little. The syntax of grep is not sufficient to
> | > make daily searches with M-x find-dired or M-x grep-find that happen
> | > frequently during searching system log files or looking into program
> | > and text document files.
> |
> | In GNU grep there is no expressive difference between BREs and EREs, only
> | the syntax differs.
>
> $ grep --version
> grep (GNU grep) 2.5.1
>
> $ echo -e "this\nthat" | grep '(this|that)'
> <nothing>
Which part of "only the syntax differs" did you not understand?
Andreas.
--
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2005-09-12 16:30 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-07 7:05 compile.el::grep-program - should it use egrep instead of grep? Jari Aalto
2005-09-08 2:41 ` Richard M. Stallman
2005-09-08 5:54 ` Jari Aalto
2005-09-08 17:55 ` Richard M. Stallman
2005-09-12 14:31 ` Jari Aalto
2005-09-12 15:07 ` Andreas Schwab
2005-09-12 15:58 ` Jari Aalto
2005-09-12 16:30 ` Andreas Schwab [this message]
2005-09-12 18:08 ` Stefan Monnier
2005-09-13 15:54 ` Richard M. Stallman
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