fish-shell/doc_src/not.txt
2014-09-03 14:43:25 +01:00

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Text

\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