fish-shell/doc_src/cmds/not.rst
Johannes Altmanninger 2a98b7a593 docs synopsis: make all placeholder arguments uppercase
man(1) uses lowercase placeholders but we usually don't.  Additionally,
the new synopsis autoformatting only recognizes placeholders if they
are uppercase. Use uppercase for all placeholders.
2022-01-19 22:56:41 +08:00

34 lines
501 B
ReStructuredText

.. _cmd-not:
not - negate the exit status of a job
=====================================
Synopsis
--------
.. synopsis::
not COMMAND [OPTIONS ...]
Description
-----------
``not`` negates the exit status of another command. If the exit status is zero, ``not`` returns 1. Otherwise, ``not`` returns 0.
Example
-------
The following code reports an error and exits if no file named spoon can be found.
::
if not test -f spoon
echo There is no spoon
exit 1
end