awk Pattern Processing Language
In This Chapter
awk utility is a pattern-scanning and processing language that searches one or more files to see whether they contain records (usually lines) that match specified patterns. It processes lines by performing actions, such as writing the record to standard output or incrementing a counter, each time it finds a match. As opposed to procedural languages, the
awk language is data driven: You describe the data you want to work with and tell
awk what to do with the data once it finds it.
You can use
awk to generate reports or filter text. It works ...