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 ...

I've recently written about using bash arrays and bash regular expressions, so here's a more useful example of using them to test IP addresses for validity. To belabor the obvious: IP addresses are 32 ...

Many bash scripts use arguments to control the commands that they will run and the information that will be provided to the people running them. This post examines a number of ways that you can verify ...

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 ...

You need to package up a bunch of files, send them somewhere, and do something with them at the destination. It isn’t an uncommon scenario. The obvious answer is to create an archive — a zip or tar ...

I have a bash script that needs to be able to mount/umount and write to a DVD burner. It all works when it is run as root, but even if I chmod u+s it and leave it owned as root, my other user cannot ...

Looping forever is easy if you know what commands you want to run repeatedly and the conditions under which you want them to stop running. There are several ways to loop “forever” on Linux commands.

We have the script below mounting samba storage on startup for a few servers here, on one specific server it has twice instead trashed the whole share. I'm not great at bash scripting but as far as I ...