There are three facts we can use to our advantage: The option variable ("optvar") stores the option name currently being processed (e.g., a, b, or c). When complete, getopts returns a number greater ...

If you're not yet comfortable with writing scripts on Unix and Linux systems, this post might get you off to a healthy start. Creating a script on a Unix or Linux system can be dead easy or ...

Here are steps you can take to ensure that your bash scripts work as intended and are easy to update. Committing routine and even rarely required tasks to scripts is almost always a big win because ...

Using RH7.0, I've set up a bash script called 'dlist' which is just an 'ls' with the '-s and -h' switches appended. This gives you your normal ls output, with total size of the directory contents and ...

Bash scripting is a powerful tool for automating tasks on Linux and Unix-like systems. While it's well-known for managing file and process operations, arithmetic operations, such as division, play a ...

We often write quick bash scripts and judging by the comments, half of us use bash or a similar shell to pop out quick, useful scripts, and half of us think that’s an abomination, and you should only ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...

Linux scripting automates repetitive tasks like converting file formats and can save hours of work. You can find and adapt scripts online easily, with plenty of resources and guides available.

For many users who get started with the command line in Linux, there’s a good chance they’re using Bourne Again Shell, or Bash. Bash is the default shell on Mac OS X, and Windows users can use Bash ...