File: gawk.info,  Node: Boolean Functions,  Next: Numeric Functions,  Prev: Built-in.php">Calling Built-in,  Up: Built-in

9.1.2 Generating Boolean Values
-------------------------------

This function is specific to 'gawk'.  It is not available in
compatibility mode (*note Options::):

'mkbool(EXPRESSION)'
     Return a Boolean-typed value based on the regular Boolean value of
     EXPRESSION.  Boolean "true" values have numeric value one.  Boolean
     "false" values have numeric zero.  This is discussed in more detail
     in *note Boolean Typed Values::.