Date: Tue, 14 Feb 2012 14:05:08 -0500 From: Matthew Story <matthewstory@gmail.com> To: freebsd-hackers@freebsd.org Subject: Re: xargs short-circuit Message-ID: <CAB%2B9ogc3uM%2Bu5WGgham%2BfrNPGHNu_NvNGba7BqyNHyfqhXbShw@mail.gmail.com> 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 1:34 PM, Matthew Story <matthewstory@gmail.com>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 "$&"; exit 1' worker || echo $? # cp error on my part, should not read echo exit 1, just exit 1 > 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. > apologies for the copy-paste error. -- regards, matt
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