Bash Scripting Sunday #1: Bash Parameter Expansion - Save Time and Avoid Subshells In this entry, I&rsquo;d like to show you how to use Bash Parameter Expansion to make your life a little easier, your scripts a little quicker, and use less resources. Here&rsquo;s an example script that isn&rsquo;t using Bash Parameter Expansion: #!/usr/bin/env bash filename='/path/to/file.txt' echo 'Basename:…