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84 lines
2.6 KiB
Plaintext
84 lines
2.6 KiB
Plaintext
20100822
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* Counting semaphore functionality: start a job in the background. If
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N jobs are already running, wait for one to complete. Examples:
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sem 'sleep 2; echo foo'; sem 'sleep 1; echo bar'; sem --wait
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sem -j2 'sleep 2; echo foo'; sem -j2 'sleep 1; echo bar'; sem --wait
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* With --colsep a table can be used as input. Example:
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cat tab_sep_table | parallel --colsep '\t' echo col1 {1} col2 {2}
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* --trim can remove white space around arguments.
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* --sshloginfile '..' means use ~/.parallel/sshloginfile
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* Zero install package. Thanks to Tim Cuthbertson <tim3d dot junk at
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gmail dot com>
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* OpenSUSE package. Thanks to Markus Ammer <mkmm at gmx-topmail dot
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de>
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* NixOS package. Thanks to Ludovic Courtès <ludo at gnu dot org>
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* Web review http://oentend.blogspot.com/2010/08/gnu-parallel.html
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Thanks to Pavel Nuzhdin <pnzhdin at gmail dot com>
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* Web review http://psung.blogspot.com/2010/08/gnu-parallel.html
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Thanks to Phil Sung <psung at alum dot mit dot edu>
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20100722
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* Arguments can now be given on the command line. Example:
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parallel bzip2 ::: *.txt
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* xapply like functionality. Example:
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parallel diff {1} {2} :::: filelist1 filelist2
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parallel diff {1} {2} ">"{1.}-{2.}.diff :::: filelist1 filelist2
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* Arch Linux package. Thanks to Peter Simons <simons at cryp dot to>
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* Mandriva package. Thanks to Sandro Cazzaniga <kharec at mandriva dot
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org>
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* -L -l -n -s now implies -X unless -m is set
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20100620
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* New video showing the new options.
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http://www.youtube.com/watch?v=OpaiGYxkSuQ or at
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http://tinyogg.com/watch/TORaR/ and http://tinyogg.com/watch/hfxKj/
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* 100% options complete with xargs. All options for xargs can now be
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used in GNU Parallel - even the more exotic.
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* --basefile for transferring basedata. When running jobs on remote
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computers --basefile will transfer files before the first jobs is
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run. It can be used to transfer data that remains the same for each
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job such as scripts or lookup tables.
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* --progress shows progress. To see how many jobs is running on each
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server use --progress. It can be turned on even after GNU Parallel
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is started.
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* --eta shows estimated time left in seconds.
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* --halt-on-error stops if an error occurs. GNU Parallel will default
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to run all jobs - even if some of them fail. With --halt-on-error
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GNU Parallel can ignore errors, wait for the currently running jobs
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to finish, or stop immediately when an error occurs.
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20100601
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* GNU Parallel now has support for running jobs on remote machines
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* Intro video http://www.youtube.com/watch?v=LlXDtd_pRaY
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http://openvideo.dailymotion.com/video/xdmqwz_gnu-parallel-script-processing-and_tech
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20100424
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* GNU Parallel is now official GNU software
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