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Re: grep -E instead of egrep?
From: |
David Kastrup |
Subject: |
Re: grep -E instead of egrep? |
Date: |
Mon, 16 Oct 2006 13:25:09 +0200 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux) |
address@hidden (Michaël Cadilhac) writes:
> David Kastrup <address@hidden> writes:
>
>> I saw the following change:
>>
>> 2006-10-15 Lennart Borgman [...]
>>
>> * progmodes/ada-xref.el (ada-find-in-src-path): Likewise.
>> Use grep -E rather than egrep.
>>
>> Is there a particular reason to prefer "grep -E"? I would have
>> thought that "egrep" is much more portable?
>
> The SUSv3 [1] doesn't have any entry for « egrep », and only knows
> about « grep -E ». egrep hasn't been « carried forward ».
Thanks, I did not know about that.
--
David Kastrup, Kriemhildstr. 15, 44793 Bochum