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else - execute command if a condition is not met
================================================
Synopsis
--------
.. synopsis::
if CONDITION; COMMANDS_TRUE ...; [else; COMMANDS_FALSE ...;] end
Description
-----------
:doc:`if <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
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