Gawk/Running-gawk
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1.1 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 …
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 …
This section discusses both mechanisms, along with several variations of each.
• One-shot | Running a short throwaway awk
program. | |
• Read Terminal | Using no input files (input from the keyboard
instead). | |
• Long | Putting permanent awk programs in
files. | |
• Executable Scripts | Making self-contained awk programs.
| |
• Comments | Adding documentation to gawk
programs. | |
• Quoting | More discussion of shell quoting issues. |