Bash Cookbook

How it works...

This section is a bit of a doozy because we are leading up to another more expansive topic, which is using regexes and wildcards with strings. We introduced them, but also showed you that you can search for terms with ${SEARCH_TERM} or Packt specifically without their use—it's just more work and more statements. Can you imagine writing a specific grep statement for each term such as Packt1, Packt2, Packt3, and onwards? No fun. 

Using the Packt Publishing website as a baseline data set, we grepped our way through the directory using the grep command, targeting only our current location, our user's home directory. Grep is a powerful tool that can be used to parse the output of commands and files using patterns, regexs, and user ...