Miscellaneous functions

In addition to storing attribute references, the server has a number of built-in expansions. These expansions act largely as functions which operate on inputs, and produce an output.

Table 1. Builtin Functions
Function	Description
config	Examine server configuration items.
eval	Evalute a string as an xlat expansion.
length	Get the length of data in octets.
module.call	Call a virtual module.
rand	Generate random integers.
regex.*	Perform regular expression search.
uuid	Generation of UUIDs.