gawk: Advanced Features
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1 12 Advanced Features of 'gawk'
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1
1 Write documentation as if whoever reads it is a violent psychopath
1 who knows where you live.
1 -- _Steve English, as quoted by Peter Langston_
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1 This major node discusses advanced features in 'gawk'. It's a bit of
1 a "grab bag" of items that are otherwise unrelated to each other.
1 First, we look at a command-line option that allows 'gawk' to recognize
1 nondecimal numbers in input data, not just in 'awk' programs. Then,
1 'gawk''s special features for sorting arrays are presented. Next,
1 two-way I/O, discussed briefly in earlier parts of this Info file, is
1 described in full detail, along with the basics of TCP/IP networking.
1 Finally, we see how 'gawk' can "profile" an 'awk' program, making it
1 possible to tune it for performance.
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1 Additional advanced features are discussed in separate major nodes of
1 their own:
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1 * ⇒Internationalization, discusses how to internationalize
1 your 'awk' programs, so that they can speak multiple national
1 languages.
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1 * ⇒Debugger, describes 'gawk''s built-in command-line debugger
1 for debugging 'awk' programs.
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1 * ⇒Arbitrary Precision Arithmetic, describes how you can use
1 'gawk' to perform arbitrary-precision arithmetic.
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1 * ⇒Dynamic Extensions, discusses the ability to dynamically
1 add new built-in functions to 'gawk'.
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