GNU bug report logs - #63553
diff command: issue with -B option (--ignore-blank-lines)

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Package: diffutils;

Reported by: Alex Escodro <scdrdev <at> gmail.com>

Date: Wed, 17 May 2023 13:15:02 UTC

Severity: normal

Tags: notabug

Done: Carlo Arenas <carenas <at> gmail.com>

Bug is archived. No further changes may be made.

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Report forwarded to bug-diffutils <at> gnu.org:
bug#63553; Package diffutils. (Wed, 17 May 2023 13:15:02 GMT) Full text and rfc822 format available.
Acknowledgement sent to Alex Escodro <scdrdev <at> gmail.com>:
New bug report received and forwarded. Copy sent to bug-diffutils <at> gnu.org. (Wed, 17 May 2023 13:15:02 GMT) Full text and rfc822 format available.

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

From: Alex Escodro <scdrdev <at> gmail.com>
To: bug-diffutils <at> gnu.org
Subject: diff command: issue with -B option (--ignore-blank-lines)
Date: Wed, 17 May 2023 05:08:20 -0300

[Message part 1 (text/plain, inline)]
Hello and good morning!

I'm a software developer improving my skills in linux shell programming,
and while experimenting with diff I came across a situation where blank
lines seem to not be ignored even though -B (or --ignore-blank-lines)
option is used.

I am not sure if it is a bug or some aspect of diff's output technically
referred to as "normal".

I posted a question to Stackoverflow containing detailed information to
reproduce the issue:
https://stackoverflow.com/questions/76269590/why-does-linux-shell-diff-command-sometimes-show-output-related-to-empty-lines-e

Thanks, and best regards

[Message part 2 (text/html, inline)]
Added tag(s) notabug. Request was from Carlo Arenas <carenas <at> gmail.com> to control <at> debbugs.gnu.org. (Sat, 27 May 2023 06:21:02 GMT) Full text and rfc822 format available.
bug closed, send any further explanations to 63553 <at> debbugs.gnu.org and Alex Escodro <scdrdev <at> gmail.com> Request was from Carlo Arenas <carenas <at> gmail.com> to control <at> debbugs.gnu.org. (Sat, 27 May 2023 06:21:02 GMT) Full text and rfc822 format available.
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Sat, 24 Jun 2023 11:24:08 GMT) Full text and rfc822 format available.
This bug report was last modified 300 days ago.

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