Bash scripts are powerful, but with power comes great responsibility. It’s very easy for sloppy or poorly-planned code to do real damage, so it’s a good idea to be careful and practice defensive ...

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 ...

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This shell’s approachability and clever features will make your coding life easier.

August 10, 2010 Add as a preferred source on Google Add as a preferred source on Google Whether you do a lot of work in the Terminal or you just don't feel like opening iTunes and searching through ...

In order to avoid this common mistake I often have my shell scripts prompt me for a yes or no answer before they proceed. The function described here is for doing that: asking a question and ...

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 ...

Although bash scripts are regularly maligned, they do have a certain simplicity and ease of creation that makes them hard to resist. But sometimes you really need to do some heavy lifting in another ...

FFmpeg was designed as a cross-platform solution for video and audio recording, conversion, and streaming. Its About page describes the command-line tool as “the leading multimedia framework, able to ...