File manipulation commands such as sed (stream editor) and awk (text processing tool) are powerful tools for performing complex operations on text files. This tutorial will guide you through the usage ...

The awk command can make it easy to remove duplicate characters from a string even when those characters aren’t sequential, especially when the process is turned into a script. First, the awk command ...

The awk command is incredibly useful, and you will be surprised at just how powerful and transformative it will make your scripts. Here’s how to get started using it. While I’m not a fan of ...