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Subject: Re: svn commit: r293777 - user/cperciva/freebsd-update-build/scripts
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To: Gleb Smirnoff <glebius@FreeBSD.org>, Devin Teske <dteske@FreeBSD.org>
References: <201601121806.u0CI67gI009531@repo.freebsd.org>
 <20160112180805.GP1906@FreeBSD.org> <1452622770.11054.1.camel@FrauBSD.org>
 <20160112223641.GU1906@FreeBSD.org>
Cc: src-committers@freebsd.org, svn-src-user@freebsd.org
From: Bryan Drewery <bdrewery@FreeBSD.org>
Organization: FreeBSD
Message-ID: <5695813F.9090803@FreeBSD.org>
Date: Tue, 12 Jan 2016 14:42:07 -0800
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On 1/12/16 2:36 PM, Gleb Smirnoff wrote:
> On Tue, Jan 12, 2016 at 10:19:30AM -0800, Devin Teske wrote:
> D> On Tue, 2016-01-12 at 10:08 -0800, Gleb Smirnoff wrote:
> D> > On Tue, Jan 12, 2016 at 06:06:07PM +0000, Gleb Smirnoff wrote:
> D> > T> Author: glebius
> D> > T> Date: Tue Jan 12 18:06:07 2016
> D> > T> New Revision: 293777
> D> > T> URL: https://svnweb.freebsd.org/changeset/base/293777
> D> > T> 
> D> > T> Log:
> D> > T>   Adjust script removing .orig files and empty files:
> D> > T>   - Adopt the regexp to cleaned patches, that don't have
> D> > T>     diff or subversion header.
> D> > T>   - Switch from awk to sed, due to bugs in awk regexps.
> D> > 
> D> > If anyone interested, in our awk regexp "^diff" would match
> D> > "    diff", any amount of whitespace. Since ntp has a lot
> D> > variables named diff, running the script over ntp patches
> D> > produce a lot of garbage.
> D> > 
> D> 
> D> Gleb, I can't seem to reproduce what you're saying.
> D> 
> D> $ echo "   diff" | awk '/^diff/'
> D> $ echo "   diff" | awk '!/^diff/'
> D>    diff
> 
> echo "  diff" | awk '$1 ~ /^diff/ { print $NF }'
> 

That's not a bug. $1 is "diff".

-- 
Regards,
Bryan Drewery