GNU Datamash ============ GNU Datamash is a command-line program which performs basic numeric,textual and statistical operations on input textual data files. it is designed to be portable and reliable, and aid researchers to easily automate analysis pipelines, without writing code or even short scripts. Home page: https://www.gnu.org/software/datamash Usage ===== See `datamash --help` for basic usage information. See `man datamash` for examples and operation details. For the instrucions manual, see `info datamash` or visit https://www.gnu.org/software/datamash/manual/ Examples ======== What's the sum and mean of the values in field 1 ? $ seq 10 | datamash sum 1 mean 1 55 5.5 Given a file with three columns (Name, College Major, Score), what is the average, grouped by college major? $ cat scores.txt John Life-Sciences 91 Dilan Health-Medicine 84 Nathaniel Arts 88 Antonio Engineering 56 Kerris Business 82 ... # Sort input and group by column 2, calculate average on column 3: $ datamash --sort --group 2 mean 3 < scores.txt Arts 68.9474 Business 87.3636 Health-Medicine 90.6154 Social-Sciences 60.2667 Life-Sciences 55.3333 Engineering 66.5385 See more examples at https://www.gnu.org/software/datamash/examples/ Download and Installation ========================= Download the latest source code at https://www.gnu.org/software/datamash . General installation commands: $ tar -xzf datamash-[VERSION].tar.gz $ cd datamash-[VERSION] $ ./configure $ make $ make check $ sudo make install See Platform/OS-specific download instructions at https://www.gnu.org/software/datamash/download/ To build from latest git sources, see the HACKING.md file. This file is available when cloning from git, but is not distributed in the tar archive. To clone the git repository run git clone git://git.savannah.gnu.org/datamash.git It is also available online at https://git.savannah.gnu.org/cgit/datamash.git/tree/HACKING.md BASH Auto-completion ==================== The datamash package inclueds a bash auto-completion script. The installation location can be controlled using ./configure --with-bash-completion-dir=[no|local|global|PATH] The options are: * local - install under the package's $PREFIX path. typically `/usr/local/share/datamash/bash-completion.d/` , but can be changed with `./configure --prefix`. This is the default. * no - do not install the bash completion script. * [PATH] - install into the PATH specified on the command line, e.g. `./configure --with-bash-completion-dir=/for/bar/bash-completion.d/` * global - install into the system's global bash-completion directory, as reported by `pkg-config`. This will be the result of: `pkg-config --variable=completionsdir bash-completion` Which is commonly `/usr/share/bash-completion/completions` or `/etc/bash.d`. If `pkg-config` is not found or if `pkg-config` does not have the config (.pc) file for the bash-completion package, defaults to 'local'. `local` is the default, and should be used particularly if installing under a non-default `--prefix` without root permissions. `global` should be used if you are installing to default location (/usr/local) and have root permissions (e.g. `sudo make install`). Using custom PATH or `global` should be used when packaging datamash for further distribution. Questions and Bug Reports ========================= - Please send questions and bug reports to bug-datamash@gnu.org . - Searchable archive at https://lists.gnu.org/archive/html/bug-datamash . - Subscribe at https://lists.gnu.org/mailman/listinfo/bug-datamash . Copyright and License ===================== Copyright (C) 2013-2021 Assaf Gordon <assafgordon@gmail.com> License: GPL Version 3 (or later). For any copyright year range specified as YYYY-ZZZZ in this package note that the range specifies every single year in that closed interval.