aboutsummaryrefslogtreecommitdiffhomepage
path: root/doc_src/not.txt
blob: 746de9bacaa8e00cdf59646cb9d8002e7010f557 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
\section not not - negate the exit status of a job

\subsection not-synopsis Synopsis
\fish{syn}
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