GNU bug report logs - #72274
diff: option to ignore leading white space

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From: Tim Chase <debian <at> tim.thechases.com>
To: Vincent Lefevre <vincent <at> vinc17.net>
Cc: 72274 <at> debbugs.gnu.org, Eric Deplagne <eric <at> deplagne.name>
Subject: bug#72274: [bug-diffutils] bug#72274: option to ignore leading white space
Date: Wed, 24 Jul 2024 16:57:49 -0500

On 2024-07-24 22:21, Vincent Lefevre wrote:
> $ diff -wus <(printf "ab cd\n") <(printf " abcd \n")
> Files /proc/self/fd/11 and /proc/self/fd/14 are identical

Doesn't even require the leading/trailing space:

 $ echo abcd > nospace
 $ echo ab cd > space
 $ diff -wus nospace space
 Files nospace and space are identical

FWIW, this happens with diff(1) on FreeBSD & OpenBSD too, so it's
not just a GNU diff(1) thing.

-tkc

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