NAME
	Suffix

    SYNOPSIS
	Suffix - get a file's suffix - Requires v37

    INPUTS
	FILE/A

    FUNCTION
	Suffix gets a filename and extracts its suffix.

	The resulting string is sent to STDOUT.

    RESULT
	a filename's suffix

    NOTES
	CLI - only

	should compile with SAS-C

    BUGS
	none known yet

    EXAMPLES
	>suffix a.b
	b

	>suffix a
	       [nothing]

    AUTHOR
	Bernd Noll, Brunnenstrasse 55, D-67661 Kaiserslautern
	noll@student.uni-kl.de