Fish Shell

Array Slicing:

$ set x a b c d     # assign
$ echo $x[2..-1]
b c d
$ echo $x[1..(count $x)]
a b c d

• fish-shell - tests

• Dive into Fish

• Programming with fish shell

  • Fish 的 math 是 bc 的 wrapper

  • set x (math 1 + 1)