mirror of
https://github.com/fish-shell/fish-shell
synced 2024-12-27 05:13:10 +00:00
30 lines
621 B
ReStructuredText
30 lines
621 B
ReStructuredText
else - execute command if a condition is not met
|
|
================================================
|
|
|
|
Synopsis
|
|
--------
|
|
|
|
if CONDITION; COMMANDS_TRUE...; [else; COMMANDS_FALSE...;] end
|
|
|
|
|
|
Description
|
|
-----------
|
|
|
|
``if`` will execute the command ``CONDITION``. If the condition's exit status is 0, the commands ``COMMANDS_TRUE`` will execute. If it is not 0 and ``else`` is given, ``COMMANDS_FALSE`` will be executed.
|
|
|
|
|
|
Example
|
|
-------
|
|
|
|
The following code tests whether a file ``foo.txt`` exists as a regular file.
|
|
|
|
|
|
|
|
::
|
|
|
|
if test -f foo.txt
|
|
echo foo.txt exists
|
|
else
|
|
echo foo.txt does not exist
|
|
end
|
|
|