(gawk.info.gz) Functions

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 9 Functions
 ***********
 
 This major node describes `awk''s built-in functions, which fall into
 three categories: numeric, string, and I/O.  `gawk' provides additional
 groups of functions to work with values that represent time, do bit
 manipulation, sort arrays, and internationalize and localize programs.
 
    Besides the built-in functions, `awk' has provisions for writing new
 functions that the rest of a program can use.  The second half of this
 major node describes these "user-defined" functions.
 

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* Built-in                    Summarizes the built-in functions.
* User-defined                Describes User-defined functions in detail.
* Indirect Calls              Choosing the function to call at runtime.
 

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