GNU logs - #34930, boring messages

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Subject: bug#34930: diff enhancement request
Resent-From: Michael Aramini <m.aramini@HIDDEN>
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Date: Wed, 20 Mar 2019 21:29:19 +0000 (UTC)
From: Michael Aramini <m.aramini@HIDDEN>
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I wish to request an enhancement to diff which would add a command line opt=
ion which takes a regular expression and suppresses differences none of who=
se lines match the regular expression.=C2=A0 Multiple instances of this opt=
ion can be used to specify multiple regular expressions, which cases differ=
ences will be suppressed if none of the lines of the difference match any o=
f the regular expressions.=C2=A0 (Such a feature would be more or less the =
complement of the existing --ignore-matching-lines=3Dregexp (-I regexp) com=
mand line option to diff.)

Please let me know if there already is way to accomplish this using existin=
g options to GNU diff and/or by the use of other GNU Diffutils.

-Michael Aramini

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<font color='black' size='3' face='Arial, Helvetica, sans-serif'>
<div><font size="3">I wish to request an enhancement to <font face="Courier New, Courier, mono">diff</font> which would add a command line option which takes a regular expression and suppresses differences none of whose lines match the regular expression.&nbsp; Multiple instances of this option can be used to specify multiple regular expressions, which cases differences will be suppressed if none of the lines of the difference match any of the regular expressions.&nbsp; (Such a feature would be more or less the complement of the existing <font face="Courier New, Courier, mono">--ignore-matching-lines=<i>regexp</i></font> (<font face="Courier New, Courier, mono">-I <i>regexp</i></font>) command line option to <font face="Courier New, Courier, mono">diff</font>.)<br>
</font></div>

<div><font size="3"><br>
</font></div>

<div><font size="3">Please let me know if there already is way to accomplish this using existing options to GNU <font face="Courier New, Courier, mono">diff</font> and/or by the use of other GNU Diffutils.<br>
</font></div>

<div><font size="3"><br>
</font></div>

<div><font size="3">-Michael Aramini</font></div>

<div><font size="3"><br>
</font></div>
</font>
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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Michael Aramini <m.aramini@HIDDEN>
Subject: bug#34930: Acknowledgement (diff enhancement request)
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Date: Wed, 20 Mar 2019 23:11:02 +0000

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Subject: bug#34930: [bug-diffutils] bug#34930: diff enhancement request
Resent-From: Tim Waugh <twaugh@HIDDEN>
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From: Tim Waugh <twaugh@HIDDEN>
Date: Thu, 21 Mar 2019 09:28:58 +0000
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On Wed, 20 Mar 2019 at 23:12, Michael Aramini <m.aramini@HIDDEN> wrote:

> I wish to request an enhancement to diff which would add a command line
> option which takes a regular expression and suppresses differences none of
> whose lines match the regular expression.  Multiple instances of this
> option can be used to specify multiple regular expressions, which cases
> differences will be suppressed if none of the lines of the difference match
> any of the regular expressions.  (Such a feature would be more or less the
> complement of the existing --ignore-matching-lines=*regexp* (-I *regexp*)
> command line option to diff.)
>
> Please let me know if there already is way to accomplish this using
> existing options to GNU diff and/or by the use of other GNU Diffutils.
>

The grepdiff tool (from patchutils) might be able to do what you want,
perhaps in conjunction with other tools:
http://cyberelk.net/tim/software/patchutils/

Tim.
*/

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<div dir=3D"ltr"><div dir=3D"ltr"><div class=3D"gmail_quote"><div dir=3D"lt=
r" class=3D"gmail_attr">On Wed, 20 Mar 2019 at 23:12, Michael Aramini &lt;<=
a href=3D"mailto:m.aramini@HIDDEN">m.aramini@HIDDEN</a>&gt; wrote=
:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.=
8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><font size=3D"=
3" face=3D"Arial, Helvetica, sans-serif" color=3D"black">
<div><font size=3D"3">I wish to request an enhancement to <font face=3D"Cou=
rier New, Courier, mono">diff</font> which would add a command line option =
which takes a regular expression and suppresses differences none of whose l=
ines match the regular expression.=C2=A0 Multiple instances of this option =
can be used to specify multiple regular expressions, which cases difference=
s will be suppressed if none of the lines of the difference match any of th=
e regular expressions.=C2=A0 (Such a feature would be more or less the comp=
lement of the existing <font face=3D"Courier New, Courier, mono">--ignore-m=
atching-lines=3D<i>regexp</i></font> (<font face=3D"Courier New, Courier, m=
ono">-I <i>regexp</i></font>) command line option to <font face=3D"Courier =
New, Courier, mono">diff</font>.)<br>
</font></div>

<div><font size=3D"3"><br>
</font></div>

<div><font size=3D"3">Please let me know if there already is way to accompl=
ish this using existing options to GNU <font face=3D"Courier New, Courier, =
mono">diff</font> and/or by the use of other GNU Diffutils.</font></div></f=
ont></blockquote><div><br></div><div>The grepdiff tool (from patchutils) mi=
ght be able to do what you want, perhaps in conjunction with other tools:</=
div><div><a href=3D"http://cyberelk.net/tim/software/patchutils/">http://cy=
berelk.net/tim/software/patchutils/</a></div><div><br></div><div>Tim.</div>=
<div>*/</div><div><br></div></div></div></div>

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