This is an old revision of the document!

BASH - Slicing Strings

To cut portions of a string:

#!/bin/bash
Str="My name is Peter"
subStr=${Str:0:6}
echo $subStr

This script should print out “My nam” as its output.

The parameter expansion takes the form ${VAR_NAME:S:L}.

Here, S denotes starting position and L indicates the length.