If you do much Linux shell scripting, you’ve probably encountered sed — the stream editor — in an example. Maybe you’ve even used it yourself. If all you want to do is substitute text, it ...

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… ...

The last of the basic building blocks of shell scripting are conditional statements, allowing you to decide programmatically whether to execute a block of statements based on a logical test, and flow ...