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 pres… ...

On some Linux systems (like Fedora), the script command also makes it possible to separate input from output in your session recording using the -I (or –log-in) and -O (or –log-out) options.

As with the Bash script, the FFmpeg script is identical except that the variables input and output have been substituted for the input and output file directly specified in the previous script. As ...

Although bash scripts are regularly maligned, ... There’s the rare case where an interpreter doesn’t take the interpreted file from the standard input. Awk is a notorious offender.

Recently I needed to create a script that processed two input files. By processed I mean that the script needed to get a line from one file, then get a line from the second file, and then do something ...

Many Linux-based machines run Bash as their standard scripting engine, but some distributions, like Alpine and Debian, don't.

If you need to write a script for repeated use—particularly one with significant logical branching and evaluation—I strongly recommend a "real language" instead of Bash. Luckily, there are ...

If the input is wider than that, the whole image is scaled down appropriately. Smaller images are not resized. I run this Bash script every morning via cron on a personal server in my house. The ...