This tutorial demonstrates how easy it is to accomplish real world programming goals with Rebol. The text aims to teach average users to program computers to do useful things, without the long and difficult learning curve imposed by other languages.
getAbsPath is a C header (getAbsPath.h) or an ANSI C tool (getAbsPath) which
converts relative unix/win32 pathes to absolute ones. It uses current working directory (CWD) as basis. Use it e.g. for finding out the current path of a shell script