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fish-shell/doc_src/not.txt
2010-09-18 10:18:26 +08:00

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\section not not - negate the exit status of a job
\subsection not-synopsis Synopsis
<tt>not COMMAND [OPTIONS...]</tt>
\subsection not-description Description
The \c not builtin is used to negate the exit status of another command.
\subsection not-example Example
The following code reports an error and exits if no file named spoon can be found.
<pre>
if not test -f spoon
echo There is no spoon
exit 1
end
</pre>