GNU bug report logs - #18266
grep -P and invalid exits with error

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From: Jim Meyering <jim <at> meyering.net>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 761157 <761157 <at> bugs.debian.org>, Santiago <santiago <at> debian.org>, 18266 <18266 <at> debbugs.gnu.org>, 18266-done <18266-done <at> debbugs.gnu.org>, Vincent Lefevre <vincent <at> vinc17.net>, 758105 <758105 <at> bugs.debian.org>
Subject: bug#18266: Bug#758105: bug#18266: grep -P and invalid exits with error
Date: Fri, 12 Sep 2014 09:13:22 -0700

On Thu, Sep 11, 2014 at 12:10 PM, Paul Eggert <eggert <at> cs.ucla.edu> wrote:
> On 09/11/2014 11:37 AM, Jim Meyering wrote:
>>
>> Would you mind adding a test to trigger that one?
>
> Ordinarily I would have done that already but this -P stuff is so buggy and
> slow that I got discouraged.  (If we keep having trouble with -P I may start
> lobbying to remove it....) Anyway, I gave it a shot with the attached
> further patch.

Thank you. Looks perfect.

I too rely on grep's -P, sometimes using PCRE features
that are very hard to emulate using EREs.

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