-help Print out a list with the command-line options.
-v Verbose output; repeat for more verbosity.
-V Print version number
-g Open a plot window for interactive line selection ( cora_fit)
-s spectrum_file Read spectrum from spectrum_file.
-i parameter_file Read parameters from parameter_file.
-o result_file Output computed spectral line parameters to result_file (only if ires is activated).
-r result_file Re-plot computed model spectrum from line parameters in result_file ( cora_fit).
-q (GUI only) Send output to log window only.