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GNU Parallel 20100906 released

Item posted by Ole Tange <tange> on Sun 05 Sep 2010 10:37:12 PM UTC.

GNU Parallel 20100906 has been released. It is available for
download at:

New in this release:

  • Using --shebang GNU Parallel can be used as the parser for a script. E.g: #!/usr/bin/parallel --shebang traceroute (followed by lines of hosts)
  • First community generated bugfixes
  • Alt Linux package of GNU Parallel. Thanks to Michael Shigorin <mike at altlinux dot org>
  • Sunfreeware package of GNU Parallel. Thanks to Steven M. Christensen <sunfreeware at>
  • sql - a small script to access sql bases from the command line which is a handy companion to parallel --colsep

About GNU Parallel

GNU Parallel is a shell tool for executing jobs in parallel using one
or more machines. A job is typically a single command or a small
script that has to be run for each of the lines in the input. The
typical input is a list of files, a list of hosts, a list of users, a
list of URLs, or a list of tables.

If you use xargs today you will find GNU Parallel very easy to use as
GNU Parallel is written to have the same options as xargs. If you
write loops in shell, you will find GNU Parallel may be able to
replace most of the loops and make them run faster by running several
jobs in parallel. If you use ppss or pexec you will find GNU Parallel
will often make the command easier to read.

GNU Parallel makes sure output from the commands is the same output as
you would get had you run the commands sequentially. This makes it
possible to use output from GNU Parallel as input for other programs.

You can find more about GNU Parallel at:

Watch the intro video on or
at and


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