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GNU Parallel 20110411 ('Libya') released

From: Ole Tange
Subject: GNU Parallel 20110411 ('Libya') released
Date: Fri, 22 Apr 2011 15:26:18 +0200

GNU Parallel 20110422 ('Libya') has been released. It is available for
download at:

New in this release:

* {#} now works an alias for $PARALLEL_PID.

* --eta now estimates way more accurately.

* CPU detection code for AIX thanks to Christian Netrwal.

* --joblog contains exitcode.

* Thanks to Ævar Arnfjörð Bjarmason for reading my code.

* GNU Parallel was presented at:
  - LUGA, Augsburg, 2011-03-26,
  -, Aarhus, 2011-04-12

* Blog entry in Japanese. Thanks to Riywo.

* Example of how to use GNU Parallel on PBS clusters. Thanks to Andrew
J Dolgert:

* First example of using GNU Parallel in Hebrew. Thanks to omry.

* Intro video got past 10000 hits.

* Bug fixes and man page updates.

= About GNU Parallel =

GNU Parallel is a shell tool for executing jobs in parallel using one
or more computers. A job is can be 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. A job can also be a command that reads from
a pipe. GNU Parallel can then split the input and pipe it into
commands in parallel.

If you use xargs and tee 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.

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

When using GNU Parallel for a publication please cite:

O. Tange (2011): GNU Parallel - The Command-Line Power Tool, ;login:
The USENIX Magazine, February 2011:42-47.

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