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Re: diff - Odd behavior of opton --ignore-matching-lines
From: |
Eli Zaretskii |
Subject: |
Re: diff - Odd behavior of opton --ignore-matching-lines |
Date: |
Wed, 22 Feb 2012 21:53:37 +0200 |
> From: Jari Aalto <address@hidden>
> Date: Wed, 22 Feb 2012 14:29:41 -0500
>
>
> Test under Bash:
>
> echo -e "1 2\n1" > a
> echo -e "2 3\n4" > b
> diff -u -I '2' a b
>
> =>
>
> -1 2
> -1
> +2 3
> +4
>
> Isn't --ignore-matching-lines supposed to ignore all lines matching REGEXP
> "2" above?
No. From "diff --help":
-I RE --ignore-matching-lines=RE Ignore changes whose lines all match RE.
^^^