13.2 General Programming

This section presents a number of functions that are of general programming use.

13.2.1 Implementing nextfile as a Function		Two implementations of a nextfile function.
13.2.2 Assertions		A function for assertions in awk programs.
13.2.3 Rounding Numbers		A function for rounding if sprintf does not do it correctly.
13.2.4 The Cliff Random Number Generator
13.2.5 Translating Between Characters and Numbers		Functions for using characters as numbers and vice versa.
13.2.6 Merging an Array into a String		A function to join an array into a string.
13.2.7 Managing the Time of Day		A function to get formatted times.