||the output from MapCal - normally CHARTCAL.DIR
||This will default to the name in the DIR file but substitute the new extension of ".hdr".
||If you have a CHARTCAL with multiple chart calibrations, this is how you convert only one particular one.
||List the maps found in the input file.
||This is debug mode. It prints out a bunch of garbage.
||If you want to specify the new output header file name.
||If you want to use the generated name, but specify your own extension.
If you use -d, note that as part of the debug, it will print the switches. But since it does this on the fly, it will ONLY print the switches that occur after the -d.