mirror of
https://github.com/fish-shell/fish-shell.git
synced 2024-11-23 21:35:04 +08:00
24 lines
498 B
Plaintext
24 lines
498 B
Plaintext
\section not not - negate the exit status of a job
|
|
|
|
\subsection not-synopsis Synopsis
|
|
\fish{synopsis}
|
|
not COMMAND [OPTIONS...]
|
|
\endfish
|
|
|
|
\subsection not-description Description
|
|
|
|
`not` negates the exit status of another command. If the exit status
|
|
is zero, `not` returns 1. Otherwise, `not` returns 0.
|
|
|
|
\subsection not-example Example
|
|
|
|
The following code reports an error and exits if no file named spoon can be found.
|
|
|
|
\fish
|
|
if not test -f spoon
|
|
echo There is no spoon
|
|
exit 1
|
|
end
|
|
\endfish
|
|
|