NAME:
	compare_tree
 PURPOSE:
	Compare content of directory tree
 OPTIONAL INPUT PARAMETERS:
	$1  source directory; default: $PWD
	$2  destination directory: default: $OLDPWD
 SEE ALSO:
	fcdir
 PROCEDURE:
	Topdirectories should have a trailing /

	All files in $1 are compared to files in $2 with the same name.
 MODIFICATION HISTORY:
	???-????, Paul Hick (UCSD/CASS; pphick@ucsd.edu)