switch(1)                            fish                            switch(1)

       switch - conditionally execute a block of commands

       switch VALUE; [case [WILDCARD...]; [COMMANDS...]; ...] end

       switch performs one of several blocks of commands, depending on whether
       a specified value equals one of several wildcarded values. case is used
       together with the switch statement in order to determine which block
       should be executed.

       Each case command is given one or more parameters. The first case
       command with a parameter that matches the string specified in the
       switch command will be evaluated. case parameters may contain
       wildcards. These need to be escaped or quoted in order to avoid regular
       wildcard expansion using filenames.

       Note that fish does not fall through on case statements. Only the first
       matching case is executed.

       Note that command substitutions in a case statement will be evaluated
       even if its body is not taken. All substitutions, including command
       substitutions, must be performed before the value can be compared
       against the parameter.

       If the variable $animal contains the name of an animal, the following
       code would attempt to classify it:

       switch $animal
           case cat
               echo evil
           case wolf dog human moose dolphin whale
               echo mammal
           case duck goose albatross
               echo bird
           case shark trout stingray
               echo fish
           case '*'
               echo I have no idea what a $animal is

       If the above code was run with $animal set to whale, the output would
       be mammal.

Version 3.0.2                   Tue Mar 26 2019                      switch(1)