In this chapter, we will cover the following recipes:
- Using regular expressions
- Searching and mining text inside a file with grep
- Cutting a file column-wise with cut
- Using sed to perform text replacement
- Using awk for advanced text processing
- Finding the frequency of words used in a given file
- Compressing or decompressing JavaScript
- Merging multiple files as columns
- Printing the nth word or column in a file or line
- Printing text between line numbers or patterns
- Printing lines in the reverse order
- Parsing e-mail address and URLs from text
- Removing a sentence in a file containing a word
- Replacing a pattern with text in all the files in a directory
- Text slicing and parameter operations
