execute command if a condition is not met — fish-shell 4.5.0 documentation

Synopsis¶

if CONDITION; COMMANDS_TRUE ...; [else; COMMANDS_FALSE ...;] end

Description¶

if will execute the command CONDITION*. If the condition’s exit status is 0, the commands COMMANDS_TRUE will execute. If it is not 0 and else is given, COMMANDS_FALSE will be executed.

Example¶

The following code tests whether a file foo.txt exists as a regular file.

if test -f foo.txt
    echo foo.txt exists
else
    echo foo.txt does not exist
end