In Sect. 8 handling output is described. When the output of a text file with the fit results printed therein is desired, the switch ires must be activated. The filename can be specified in the call of the program with the option -o, i.e., cora -o outputfile or cora_fit -o outputfile. This file can be used to create a new plot with different plotting options without repeating the calculation. For this purpose the option Options/Replot Last OR ..From File is provided in the GUI. The command-line program can be started with cora_fit -r outputfile with outputfile the file generated with -o or with a hand written file (cf. Sect. 8).