Extracting and displaying data with awk

If you need to extract data from files, or simply display data in a new way, you need a script. AWK is a scripting language that does exactly that in a straightforward way. AWK (usually written as just “awk”) originates from the 1970s and has become a standard feature on any Unix system. Named after its inventors—Aho, Weinberger, and Kernighan—awk can tackle most jobs that you throw at it.

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