NOT(1)

NAME
not - negate the exit status of a job

SYNOPSIS
not COMMAND [OPTIONS ...]
! COMMAND [OPTIONS ...]

DESCRIPTION

not negates the exit status of another command. If the exit status is zero, not returns 1. Otherwise, not returns 0.

Some other shells only support the ! alias.

The -h or --help option displays help about using this command.

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

Copyright
fish-shell developers