Date: Tue, 14 Feb 2012 20:35:31 +0100 From: Jilles Tjoelker <jilles@stack.nl> To: Matthew Story <matthewstory@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: xargs short-circuit Message-ID: <20120214193530.GA42580@stack.nl> In-Reply-To: <CAB%2B9ogcT3OxMKwTY%2B8KfzJfcBiHRBnSdSxcy2eYR6bn=uoL1UQ@mail.gmail.com> References: <CAB%2B9ogcT3OxMKwTY%2B8KfzJfcBiHRBnSdSxcy2eYR6bn=uoL1UQ@mail.gmail.com>
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On Tue, Feb 14, 2012 at 01:34:49PM -0500, Matthew Story wrote: > After reading the man-page, and browsing around the internet for a minute, > I was just wondering if there is an option in (any) xargs to short-circuit > on first failure of [utility [arguments]]. > e.g. > $ jot - 1 10 | xargs -e -n1 sh -c 'echo "$*"; echo exit 1' worker || echo $? > 1 > 1 > such that any non-0 exit code in a child process would cause xargs to stop > processing. seems like this would be a nice feature to have. As per xargs(1), you can do this by having the command exit on a signal or with a value of 255. -- Jilles Tjoelker
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