fitsgetext --version (return code: 0)
fitsgetext: invalid option -- '-'
fitsgetext -i <input-file>
-o <output-file>
[-a]: write out ALL extensions; the output filename should be
a "sprintf" pattern such as "extension-%04i".
[-b]: print sizes and offsets in FITS blocks (of 2880 bytes)
[-M]: print sizes in megabytes (using floor(), not round()!)
[-D]: data blocks only
[-H]: header blocks only
-e <extension-number> ...
-v: +verbose
fitsgetext --help (return code: 0)
fitsgetext: invalid option -- '-'
fitsgetext -i <input-file>
-o <output-file>
[-a]: write out ALL extensions; the output filename should be
a "sprintf" pattern such as "extension-%04i".
[-b]: print sizes and offsets in FITS blocks (of 2880 bytes)
[-M]: print sizes in megabytes (using floor(), not round()!)
[-D]: data blocks only
[-H]: header blocks only
-e <extension-number> ...
-v: +verbose