mirror of
https://github.com/fish-shell/fish-shell.git
synced 2024-12-21 07:03:41 +08:00
70 lines
2.3 KiB
ReStructuredText
70 lines
2.3 KiB
ReStructuredText
.. _cmd-alias:
|
|
|
|
alias - create a function
|
|
=========================
|
|
|
|
Synopsis
|
|
--------
|
|
|
|
.. synopsis::
|
|
|
|
alias
|
|
alias [--save] NAME DEFINITION
|
|
alias [--save] NAME=DEFINITION
|
|
|
|
|
|
Description
|
|
-----------
|
|
|
|
.. only:: builder_man
|
|
|
|
NOTE: This page documents the fish builtin ``alias``.
|
|
To see the documentation on any non-fish versions, use ``command man alias``.
|
|
|
|
``alias`` is a simple wrapper for the ``function`` builtin, which creates a function wrapping a command. It has similar syntax to POSIX shell ``alias``. For other uses, it is recommended to define a :doc:`function <function>`.
|
|
|
|
If you want to ease your interactive use, to save typing, consider using an :doc:`abbreviation <abbr>` instead.
|
|
|
|
``fish`` marks functions that have been created by ``alias`` by including the command used to create them in the function description. You can list ``alias``-created functions by running ``alias`` without arguments. They must be erased using ``functions -e``.
|
|
|
|
- ``NAME`` is the name of the alias
|
|
- ``DEFINITION`` is the actual command to execute. ``alias`` automatically appends ``$argv``, so that all parameters used with the alias are passed to the actual command.
|
|
|
|
You cannot create an alias to a function with the same name. Note that spaces need to be escaped in the call to ``alias`` just like at the command line, *even inside quoted parts*.
|
|
|
|
The following options are available:
|
|
|
|
**-h** or **--help**
|
|
Displays help about using this command.
|
|
|
|
**-s** or **--save**
|
|
Saves the function created by the alias into your fish configuration directory using :doc:`funcsave <funcsave>`.
|
|
|
|
Example
|
|
-------
|
|
|
|
The following code will create ``rmi``, which runs ``rm`` with additional arguments on every invocation.
|
|
|
|
::
|
|
|
|
alias rmi="rm -i"
|
|
|
|
# This is equivalent to entering the following function:
|
|
function rmi --wraps rm --description 'alias rmi=rm -i'
|
|
rm -i $argv
|
|
end
|
|
|
|
``alias`` sometimes requires escaping, as you can see here::
|
|
|
|
# This needs to have the spaces escaped or "Chrome.app..."
|
|
# will be seen as an argument to "/Applications/Google":
|
|
alias chrome='/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome'
|
|
|
|
|
|
See more
|
|
--------
|
|
|
|
1. The :doc:`function <function>` command this builds on.
|
|
2. :ref:`Functions <syntax-function>`.
|
|
3. :ref:`Defining aliases <syntax-aliases>`.
|