dig412

<?php
/**
 * Phing task to test if a given external program is avilable on the system
 *
 * Internally this uses "which" on Linux / OSX and "where" on Windows to locate the executable
 * 
 * Usage:
 * Put the file in a subfolder called "tasks", and use as follows:
 * 
 * <typedef name="exists" classname="tasks.ExistsCondition"/>