This program allows the user to read, set, alter or remove a set of values associated with the specified keywords from the primary header unit (a.k.a. simply "header") of a FITS image file.
Options:
General options:
-h,--help
Gives general summary about the command line options.
--long-help
Gives a detailed list of command line options.
--version
Gives some version information about the program.
-i,--input <image file>
Name of the input FITS image file.
-o,--output <image file>
Name of the output FITS image file (can be the same as the input image file).
Read keyword values:
-g,--get,--read <keyword>,...
List of keywords to get from FITS header.
-F,--format <format>
Format of the output, space separated list of the arguments filename, keyword, value or comment, in the desired order.
-x,--extension <extension>
Read keyword values from the given extension.
Note that shell wildcard character patterns can be used in the keyword specifications.