info gawk

12.2 General Programming

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

12.2.1 Converting Strings To Numbers		A replacement for the built-in `strtonum()` function.
12.2.2 Assertions		A function for assertions in `awk` programs.
12.2.3 Rounding Numbers		A function for rounding if `sprintf()` does not do it correctly.
12.2.4 The Cliff Random Number Generator
12.2.5 Translating Between Characters and Numbers		Functions for using characters as numbers and vice versa.
12.2.6 Merging an Array into a String		A function to join an array into a string.
12.2.7 Managing the Time of Day		A function to get formatted times.