parser=optparse.OptionParser(usage="\nTo create a new pipeline:\n %prog -c <pipename> [-p <prefix>]\nTo activate acl and setup a new user:\n %prog -a <username> [-l <access_level>] <sql_file>\nTo suppress an existing user:\n %prog -d <username>\nTo change the data root directory : %prod -r old_dir new_dir <sql_file>")
parser=optparse.OptionParser(usage="\nTo create a new pipeline:\n %prog -c <pipename> [-p <prefix>]\nTo activate acl and setup a new user:\n %prog -a <username> [-l <access_level>] <sql_file>\nTo suppress an existing user:\n %prog -d <username> <sql_file>\nTo change the data root directory : %prod -r old_dir new_dir <sql_file>")