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Fwd: GNU Parallel 20150422 ('Germanwings') released

From: Ole Tange
Subject: Fwd: GNU Parallel 20150422 ('Germanwings') released
Date: Thu, 23 Apr 2015 09:02:09 +0200

GNU Parallel 20150422 ('Germanwings') has been released. It is
available for download at:

Haiku of the month:

  SSH set up?
  Instant cluster needed now?
  Use GNU Parallel.
    -- Ole Tange

New in this release:

* Security fix. An attacker on the local system could make you
overwrite one of your own files with a single byte. The problem exist
when you use --compress or --tmux or --pipe or --cat or --fifo. The
attacker must figure out the randomly chosen file name and create a
symlink within a time window of 15 ms.

* GNU Parallel now has a DOI:

* GNU Parallel was cited in: Scaling Machine Learning for Target
Prediction in Drug Discovery using Apache Spark

* GNU Parallel was cited in: Bayesian inference of protein structure
from chemical shift data

* GNU Parallel was cited in: Toward Enhanced Metadata Quality of
Large-Scale Digital Libraries: Estimating Volume Time Range

* GNU Parallel was cited in: Contrasting regional architectures of
schizophrenia and other complex diseases using fast variance
components analysis

* GNU Parallel was cited in: Experimental study on the Wind Farm
Substation Cable Installation Problem

* GNU Parallel was used in: landsat-gifworks

* GNU Parallel was used in:

* GNU Parallel was used in:

* GNU Parallel was used in:

* GNU Parallel was used in: Rapid haploid SNP calling

* Pictures and Metadata

* Task automation with bash and parallel

* How To: Speed Up File Transfers in Linux using RSync with GNU

* Mirroring a Git Repository

* Add an ENVI header to JAXA Global Mangrove Watch PALSAR tiles

* GNU Parallel (Sebuah Uji Coba)

* 你见过的最牛逼的命令行程序是什么?

* Bug fixes and man page updates.

GNU Parallel - For people who live life in the parallel lane.

= 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 can even replace nested loops.

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:

You can install GNU Parallel in just 10 seconds with: (wget -O - || curl | bash

Watch the intro video on

Walk through the tutorial (man parallel_tutorial). Your commandline
will love you for it.

When using programs that use GNU Parallel to process data for
publication please cite:

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

If you like GNU Parallel:

* Give a demo at your local user group/team/colleagues
* Post the intro videos on Reddit/Diaspora*/forums/blogs/ lists
* Get the merchandise
* Request or write a review for your favourite blog or magazine
* Request or build a package for your favourite distribution (if it is
not already there)
* Invite me for your next conference

If you use GNU Parallel for research:

* Please cite GNU Parallel in you publications (use --bibtex)

If GNU Parallel saves you money:

* (Have your company) donate to FSF

= About GNU SQL =

GNU sql aims to give a simple, unified interface for accessing
databases through all the different databases' command line clients.
So far the focus has been on giving a common way to specify login
information (protocol, username, password, hostname, and port number),
size (database and table size), and running queries.

The database is addressed using a DBURL. If commands are left out you
will get that database's interactive shell.

When using GNU SQL for a publication please cite:

O. Tange (2011): GNU SQL - A Command Line Tool for Accessing Different
Databases Using DBURLs, ;login: The USENIX Magazine, April 2011:29-32.

= About GNU Niceload =

GNU niceload slows down a program when the computer load average (or
other system activity) is above a certain limit. When the limit is
reached the program will be suspended for some time. If the limit is a
soft limit the program will be allowed to run for short amounts of
time before being suspended again. If the limit is a hard limit the
program will only be allowed to run when the system is below the

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