parallel/NEWS

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2010-09-05 22:48:28 +00:00
20100906
* 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 gmail.com>
* Untested CentOS, Fedora, Mandriva, RedHat, and SUSE packages
available through OpenSUSE build service:
https://build.opensuse.org/package/show?package=parallel&project=home%3Atange
* Review of GNU Parallel. Thanks to Andrew McFague amcfague at wgen dot net
http://www.andrew-mcfague.com/linux/utilities-linux/
commands-every-serious-nix-user-should-know/#parallel
* First 1000 views of the intro video
* sql - a small script to access sql bases from the command line which
is a handy companion to parallel --colsep
2010-08-22 09:00:52 +00:00
20100822
* Counting semaphore functionality: start a job in the background. If
N jobs are already running, wait for one to complete. Examples:
sem 'sleep 2; echo foo'; sem 'sleep 1; echo bar'; sem --wait
sem -j2 'sleep 2; echo foo'; sem -j2 'sleep 1; echo bar'; sem --wait
* With --colsep a table can be used as input. Example:
cat tab_sep_table | parallel --colsep '\t' echo col1 {1} col2 {2}
* --trim can remove white space around arguments.
* --sshloginfile '..' means use ~/.parallel/sshloginfile
* Zero install package. Thanks to Tim Cuthbertson <tim3d dot junk at
gmail dot com>
* OpenSUSE package. Thanks to Markus Ammer <mkmm at gmx-topmail dot
de>
* NixOS package. Thanks to Ludovic Courtès <ludo at gnu dot org>
* Web review http://oentend.blogspot.com/2010/08/gnu-parallel.html
Thanks to Pavel Nuzhdin <pnzhdin at gmail dot com>
* Web review http://psung.blogspot.com/2010/08/gnu-parallel.html
Thanks to Phil Sung <psung at alum dot mit dot edu>
20100722
* Arguments can now be given on the command line. Example:
parallel bzip2 ::: *.txt
* xapply like functionality. Example:
parallel diff {1} {2} :::: filelist1 filelist2
parallel diff {1} {2} ">"{1.}-{2.}.diff :::: filelist1 filelist2
* Arch Linux package. Thanks to Peter Simons <simons at cryp dot to>
* Mandriva package. Thanks to Sandro Cazzaniga <kharec at mandriva dot
org>
* -L -l -n -s now implies -X unless -m is set
20100620
* New video showing the new options.
http://www.youtube.com/watch?v=OpaiGYxkSuQ or at
http://tinyogg.com/watch/TORaR/ and http://tinyogg.com/watch/hfxKj/
* 100% options complete with xargs. All options for xargs can now be
used in GNU Parallel - even the more exotic.
* --basefile for transferring basedata. When running jobs on remote
computers --basefile will transfer files before the first jobs is
run. It can be used to transfer data that remains the same for each
job such as scripts or lookup tables.
* --progress shows progress. To see how many jobs is running on each
server use --progress. It can be turned on even after GNU Parallel
is started.
* --eta shows estimated time left in seconds.
* --halt-on-error stops if an error occurs. GNU Parallel will default
to run all jobs - even if some of them fail. With --halt-on-error
GNU Parallel can ignore errors, wait for the currently running jobs
to finish, or stop immediately when an error occurs.
20100601
* GNU Parallel now has support for running jobs on remote machines
* Intro video http://www.youtube.com/watch?v=LlXDtd_pRaY
http://openvideo.dailymotion.com/video/xdmqwz_gnu-parallel-script-processing-and_tech
2010-04-28 11:37:34 +00:00
20100424
* GNU Parallel is now official GNU software