+################################################################################
+
+def usage (exit_code=0):
+ print """Usage: heidi [OPTIONS] [FILE]
+Display or alter the contents of a suite using FILE(s), or stdin.
+
+ -a, --add=SUITE add to SUITE
+ -l, --list=SUITE list the contents of SUITE
+ -r, --remove=SUITE remove from SUITE
+ -s, --set=SUITE set SUITE
+ -h, --help show this help and exit"""
+
+ sys.exit(exit_code)
+