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How to Run `awk' Programs
=========================
There are several ways to run an `awk' program. If the program is
short, it is easiest to include it in the command that runs `awk', like
this:
awk 'PROGRAM' INPUT-FILE1 INPUT-FILE2 ...
where PROGRAM consists of a series of patterns and actions, as
described earlier.
When the program is long, it is usually more convenient to put it in
a file and run it with a command like this:
awk -f PROGRAM-FILE INPUT-FILE1 INPUT-FILE2 ...
* Menu:
* One-shot Running a short throw-away `awk' program.
* Read Terminal Using no input files (input from
terminal instead).
* Long Putting permanent `awk' programs in files.
* Executable Scripts Making self-contained `awk' programs.