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https://github.com/fish-shell/fish-shell

The user-friendly command line shell.
https://github.com/fish-shell/fish-shell

fish shell terminal

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The user-friendly command line shell.

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README 

        
.. |Cirrus CI| image:: https://api.cirrus-ci.com/github/fish-shell/fish-shell.svg?branch=master

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      :alt: Cirrus CI Build Status



`fish `__ - the friendly interactive shell |Build Status| |Cirrus CI|

=============================================================================================



fish is a smart and user-friendly command line shell for macOS, Linux,

and the rest of the family. fish includes features like syntax

highlighting, autosuggest-as-you-type, and fancy tab completions that

just work, with no configuration required.



For downloads, screenshots and more, go to https://fishshell.com/.



Quick Start

-----------



fish generally works like other shells, like bash or zsh. A few

important differences can be found at

https://fishshell.com/docs/current/tutorial.html by searching for the

magic phrase “unlike other shells”.



Detailed user documentation is available by running ``help`` within

fish, and also at https://fishshell.com/docs/current/index.html



Getting fish

------------



macOS

~~~~~



fish can be installed:



-  using `Homebrew `__: ``brew install fish``

-  using `MacPorts `__:

   ``sudo port install fish``

-  using the `installer from fishshell.com `__

-  as a `standalone app from fishshell.com `__



Note: The minimum supported macOS version is 10.10 "Yosemite".



Packages for Linux

~~~~~~~~~~~~~~~~~~



Packages for Debian, Fedora, openSUSE, and Red Hat Enterprise

Linux/CentOS are available from the `openSUSE Build

Service `__.



Packages for Ubuntu are available from the `fish

PPA `__,

and can be installed using the following commands:



::



   sudo apt-add-repository ppa:fish-shell/release-3

   sudo apt update

   sudo apt install fish



Instructions for other distributions may be found at

`fishshell.com `__.



Windows

~~~~~~~



-  On Windows 10/11, fish can be installed under the WSL Windows Subsystem

   for Linux with the instructions for the appropriate distribution

   listed above under “Packages for Linux”, or from source with the

   instructions below.

-  fish (4.0 on and onwards) cannot be installed in Cygwin, due to a lack of Rust support.



Building from source

~~~~~~~~~~~~~~~~~~~~



If packages are not available for your platform, GPG-signed tarballs are

available from `fishshell.com `__ and

`fish-shell on

GitHub `__. See the

`Building <#building>`__ section for instructions.



Running fish

------------



Once installed, run ``fish`` from your current shell to try fish out!



Dependencies

~~~~~~~~~~~~



Running fish requires:



-  A terminfo database, typically from curses or ncurses (preinstalled on most \*nix systems) - this needs to be the directory tree format, not the "hashed" database.

   If this is unavailable, fish uses an included xterm-256color definition.

-  some common \*nix system utilities (currently ``mktemp``), in

   addition to the basic POSIX utilities (``cat``, ``cut``, ``dirname``,

   ``file``, ``ls``, ``mkdir``, ``mkfifo``, ``rm``, ``sort``, ``tee``, ``tr``,

   ``uname`` and ``sed`` at least, but the full coreutils plus ``find`` and

   ``awk`` is preferred)

-  The gettext library, if compiled with

   translation support



The following optional features also have specific requirements:



-  builtin commands that have the ``--help`` option or print usage

   messages require ``nroff`` or ``mandoc`` for

   display

-  automated completion generation from manual pages requires Python 3.5+

-  the ``fish_config`` web configuration tool requires Python 3.5+ and a web browser

-  system clipboard integration (with the default Ctrl-V and Ctrl-X

   bindings) require either the ``xsel``, ``xclip``,

   ``wl-copy``/``wl-paste`` or ``pbcopy``/``pbpaste`` utilities

-  full completions for ``yarn`` and ``npm`` require the

   ``all-the-package-names`` NPM module

-  ``colorls`` is used, if installed, to add color when running ``ls`` on platforms

   that do not have color support (such as OpenBSD)



Building

--------



.. _dependencies-1:



Dependencies

~~~~~~~~~~~~



Compiling fish requires:



-  Rust (version 1.70 or later)

-  CMake (version 3.5 or later)

-  a C compiler (for system feature detection and the test helper binary)

-  PCRE2 (headers and libraries) - optional, this will be downloaded if missing

-  gettext (headers and libraries) - optional, for translation support

-  an Internet connection, as other dependencies will be downloaded automatically



Sphinx is also optionally required to build the documentation from a

cloned git repository.



Additionally, running the full test suite requires Python 3, tmux, and the pexpect package.



Building from source with CMake

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~



To install into ``/usr/local``, run:



.. code:: bash



   mkdir build; cd build

   cmake ..

   make

   sudo make install



The install directory can be changed using the

``-DCMAKE_INSTALL_PREFIX`` parameter for ``cmake``.



CMake Build options

~~~~~~~~~~~~~~~~~~~



In addition to the normal CMake build options (like ``CMAKE_INSTALL_PREFIX``), fish's CMake build has some other options available to customize it.



- BUILD_DOCS=ON|OFF - whether to build the documentation. This is automatically set to OFF when Sphinx isn't installed.

- INSTALL_DOCS=ON|OFF - whether to install the docs. This is automatically set to on when BUILD_DOCS is or prebuilt documentation is available (like when building in-tree from a tarball).

- FISH_USE_SYSTEM_PCRE2=ON|OFF - whether to use an installed pcre2. This is normally autodetected.

- MAC_CODESIGN_ID=String|OFF - the codesign ID to use on Mac, or "OFF" to disable codesigning.

- WITH_GETTEXT=ON|OFF - whether to build with gettext support for translations.

- extra_functionsdir, extra_completionsdir and extra_confdir - to compile in an additional directory to be searched for functions, completions and configuration snippets



Building fish as self-installable (experimental)

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~



You can also build fish as a self-installing binary.



This will include all the datafiles like the included functions or web configuration tool in the main ``fish`` binary,

and you can unpack them to ~/.local/share/fish/install/ (currently, subject to change) by running ``fish --install`` (or ``fish --install=noconfirm`` to skip the confirmation).



You will have to use ``--install`` once per user and you will have to run it again when you upgrade fish. It will tell you to.



To install fish as self-installable, just use ``cargo``, like:



.. code:: bash



   cargo install --path /path/to/fish # if you have a git clone

   cargo install --git https://github.com/fish-shell/fish-shell --tag 4.0 # to build from git once 4.0 is released

   cargo install --git https://github.com/fish-shell/fish-shell # to build the current development snapshot without cloning



This will place the binaries in ~/.cargo/bin/, but you can place them wherever you want.



This build won't have the html docs (``help`` will open the online version) or translations.



You can also link it statically (but not against glibc) and move it to other computers.



Contributing Changes to the Code

--------------------------------



See the `Guide for Developers `__.



Contact Us

----------



Questions, comments, rants and raves can be posted to the official fish

mailing list at https://lists.sourceforge.net/lists/listinfo/fish-users

or join us on our `matrix

channel `__. Or use the `fish tag

on Unix & Linux Stackexchange `__.

There is also a fish tag on Stackoverflow, but it is typically a poor fit.



Found a bug? Have an awesome idea? Please `open an

issue `__.



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