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HEADER(1) User Commands HEADER(1)

NAME

Header - view and manipulate FITS headers

SYNOPSIS

astheader [OPTION...] ASTRdata

DESCRIPTION

Header is part of GNU Astronomy Utilities 0.2.33-8a3b. Header print the header information in any astronomical data fileheader. It can also manipulate (add, remove or modify) any of the existing keywords in a data header.

For more information, please run any of the following commands. They will respectively show you the `Invoking Header' subsection, the complete `Header' section, or the full GNU Astronomy Utilities manual. In particular the first contains a very complete explanation of each option.

info astheader
info Header
info gnuastro

If you couldn't find your answer in the manual, you can get direct help from experienced Gnuastro users and developers. For more information, please run:

info help-gnuastro

Header options:

Input:
Extension name or number of input data.
Output:
Write the argument string as is into the header.
Add COMMENT keyword, any length is ok.
Delete a keyword from the header.
Don't delete output if it exists.
Add HISTORY keyword, any length is ok.
Do not remove input's dir info for output.
Output file or directory name.
Rename keyword, keeping value and comments.
Set the DATE keyword to the current time.
Update a keyword value or comments.
Write a keyword (with value, comments and units).
Operating modes:
-?, --help
give this help list
BibTeX citation for Header.
No log file for programs which make one.
Number of CPU threads to use.
Only read current directory configuration file.
Only run if the program version is this.
Print parameter values to be used and abort.
Only report errors, remain quiet about steps.
Quit if there is an error on any action.
Set default values for this directory and abort.
give a short usage message
Set default values for this user and abort.
print program version

Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

GNU Astronomy Utilities home page: http://www.gnu.org/software/gnuastro/

AUTHOR

Written by Mohammad Akhlaghi

REPORTING BUGS

Report bugs to bug-gnuastro@gnu.org.

COPYRIGHT

Copyright © 2015-2016, Free Software Foundation, Inc. License GPLv3+: GNU General public license version 3 or later.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

The full documentation for Header is maintained as a Texinfo manual. If the info and Header programs are properly installed at your site, the command

info Header

should give you access to the complete manual.

October 2016 GNU Astronomy Utilities 0.2.33-8a3b