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.TH "ALIAS" "1" "Nov 13, 2025" "4.2" "fish-shell"
.SH NAME
alias \- create a function
.SH SYNOPSIS
.nf
\fBalias\fP
\fBalias\fP [\fB\-\-save\fP] \fINAME\fP \fIDEFINITION\fP
\fBalias\fP [\fB\-\-save\fP] \fINAME\fP\fB=\fP\fIDEFINITION\fP
.fi
.sp
.SH DESCRIPTION
.sp
NOTE: This page documents the fish builtin \fBalias\fP\&.
To see the documentation on any non\-fish versions, use \fBcommand man alias\fP\&.
.sp
\fBalias\fP is a simple wrapper for the \fBfunction\fP builtin, which creates a function wrapping a command. It has similar syntax to POSIX shell \fBalias\fP\&. For other uses, it is recommended to define a \fI\%function\fP\&.
.sp
If you want to ease your interactive use, to save typing, consider using an \fI\%abbreviation\fP instead.
.sp
\fBfish\fP marks functions that have been created by \fBalias\fP by including the command used to create them in the function description. You can list \fBalias\fP\-created functions by running \fBalias\fP without arguments. They must be erased using \fBfunctions \-e\fP\&.
.INDENT 0.0
.IP \(bu 2
\fBNAME\fP is the name of the alias
.IP \(bu 2
\fBDEFINITION\fP is the actual command to execute. \fBalias\fP automatically appends \fB$argv\fP, so that all parameters used with the alias are passed to the actual command.
.UNINDENT
.sp
You cannot create an alias to a function with the same name. Note that spaces need to be escaped in the call to \fBalias\fP just like at the command line, \fIeven inside quoted parts\fP\&.
.sp
The following options are available:
.INDENT 0.0
.TP
\fB\-h\fP or \fB\-\-help\fP
Displays help about using this command.
.TP
\fB\-s\fP or \fB\-\-save\fP
Saves the function created by the alias into your fish configuration directory using \fI\%funcsave\fP\&.
.UNINDENT
.SH EXAMPLE
.sp
The following code will create \fBrmi\fP, which runs \fBrm\fP with additional arguments on every invocation.
.INDENT 0.0
.INDENT 3.5
.sp
.EX
alias rmi=\(dqrm \-i\(dq

# This is equivalent to entering the following function:
function rmi \-\-wraps rm \-\-description \(aqalias rmi=rm \-i\(aq
    rm \-i $argv
end
.EE
.UNINDENT
.UNINDENT
.sp
\fBalias\fP sometimes requires escaping, as you can see here:
.INDENT 0.0
.INDENT 3.5
.sp
.EX
# This needs to have the spaces escaped or \(dqChrome.app...\(dq
# will be seen as an argument to \(dq/Applications/Google\(dq:
alias chrome=\(aq/Applications/Google\e Chrome.app/Contents/MacOS/Google\e Chrome\(aq
.EE
.UNINDENT
.UNINDENT
.SH SEE MORE
.INDENT 0.0
.IP 1. 3
The \fI\%function\fP command this builds on.
.IP 2. 3
\fI\%Functions\fP\&.
.IP 3. 3
\fI\%Defining aliases\fP\&.
.UNINDENT
.SH COPYRIGHT
fish-shell developers
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