gawk: Built-in

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1 9.1 Built-in Functions
1 ======================
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1 "Built-in" functions are always available for your 'awk' program to
1 call.  This minor node defines all the built-in functions in 'awk'; some
1 of these are mentioned in other minor nodes but are summarized here for
1 your convenience.
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Menu

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· Calling Built-in            How to call built-in functions.
· Numeric Functions           Functions that work with numbers, including
1                                 'int()', 'sin()' and 'rand()'.
· String Functions            Functions for string manipulation, such as
1                                 'split()', 'match()' and
1                                 'sprintf()'.
· I/O Functions               Functions for files and shell commands.
· Time Functions              Functions for dealing with timestamps.
· Bitwise Functions           Functions for bitwise operations.
· Type Functions              Functions for type information.
· I18N Functions              Functions for string translation.
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