GNU bug report logs - #54155
-f switch fails with large files on 3.x branch

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Marco Marsala <marco.marsala <at> live.it>
To: bug-grep <at> gnu.org
Subject: -f switch fails with large files on 3.x branch
Date: Fri, 25 Feb 2022 07:45:00 +0100

This command:

grep -F -f b.txt a.txt

returns just first occurrence with grep 3.10 (mingw64, 4GB RAM machine) 
if files are bigger (b.txt ~ 1 MB, a.txt ~ 200 MB), works as expected 
with smaller files.

grep 2.10 on Debian (same RAM amount) works as expected even with such 
bigger files.

Message #10 received at 54155-done <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Marco Marsala <marco.marsala <at> live.it>
Cc: 54155-done <at> debbugs.gnu.org
Subject: Re: bug#54155: -f switch fails with large files on 3.x branch
Date: Mon, 28 Feb 2022 09:42:22 -0800

On 2/24/22 22:45, Marco Marsala wrote:
> 
> grep -F -f b.txt a.txt
> 
> returns just first occurrence with grep 3.10 (mingw64, 4GB RAM machine) 
> if files are bigger (b.txt ~ 1 MB, a.txt ~ 200 MB), works as expected 
> with smaller files.

Could you please send this bug report to whoever maintains the mingw64 
port that you're using? (I don't know who that is; they likely don't 
subscribe to this bug report address.) Thanks.

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