parser.add_argument('variables',type=str,help="Text file containing the variables in YAML format")
parser.add_argument('gentmpl',type=str,help="Text file containing the template for generating multiple outputs, one for each configuration set")
parser.add_argument('genout',type=str,help="Template for generating the output filenames")
parser.add_argument('aggtmpl',type=str,nargs='?',help="Text file containing the template for generating one single output out of all configuration sets")
parser.add_argument('aggout',type=str,nargs='?',help="Name of the output aggregation file")
help="Increase the verbosity level from 0 (only error messages) to 1 (warnings), 2 (log messages), 3 (debug information) by adding the --verbose option as often as desired (e.g. '-vvv' for debug).")