Using a function in bash allows you to create something in Linux that works as if it were a script within a script. Whenever the data being processed matches a set of conditions, your script can call ...

Imagine browsing the Web and having to type the full Uniform Resource Identifier (URI) path each time you visit a Web page—painful. However, since 1993, when browser bookmarks were added to the Mosaic ...

Decimals to Roman numerals—here we hit all the limitations of Bash shell scripting. My last few articles have given me a chance to relive my undergraduate computer science degree and code a Roman ...

Linux’s compgen command is not actually a Linux command. In other words, it’s not implemented as an executable file, but is instead a bash builtin. That means that it’s part of the bash executable. So ...

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 ...

Once you’ve gained a solid understanding of Linux and mastered the various commands available, your next big win comes in the form of shell functions. Code wrapped in a function can be reused by your ...