bash: array - Determine the length of an array and the length of an array element.

[hoodedvul]

Take into account the main readme for this section. README first.

An array called planet.

$ declare -a planet=(earth wind fire)

Determine length of an array name.

$ echo "${#planet[@]}"
3

Determine length of an array element. Here element 1 and 0

$ echo "${#planet[1]}"
4
$ echo "${#planet[0]}"
5