GNU bug report logs - #15127
grep not taking last conflicting option as choice?

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Message #12 received at 15127-done <at> debbugs.gnu.org (full text, mbox):

From: Eric Blake <eblake <at> redhat.com>
To: Linda Walsh <coreutils <at> tlinx.org>
Cc: 15127-done <at> debbugs.gnu.org
Subject: Re: bug#15127: grep not taking last conflicting option as choice?
Date: Mon, 19 Aug 2013 07:55:36 -0600

[Message part 1 (text/plain, inline)]

tag 15127 notabug
thanks

On 08/18/2013 08:50 PM, Linda Walsh wrote:
> 
> Isn't it usually the case with conflicting options that the last
> one gets taken as the choice, with choices on the command line
> overriding choices in the environment?
> 
> Grep doesn't seem to follow this convention.
> 
> Is there a reason why grep doesn't or did it
> used to and now chooses to do nothing in the case of
> conflicting options?  (eg. -P v. -E)
> 
> I think the earlier behavior, especially in respect
> to cmdline value overriding the environment is more
> useful otherwise lines built up both by successive passes
> in make files and with those who specify defaults in GREP_OPTIONS,
> but expect cmd-line usage to override ENV...
> 
> (coreutils 8.21)
> 
> (or is grep not part of coreutils these days...hmmm...)

Grep is its own project (bug-grep <at> gnu.org, per 'grep --help' output).
As such, I'm closing this as not a coreutils bug.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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