astheader1

View and manipulate fits headers

Usage

astheader [OPTION ...] ASTRdata

Overview

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:

-h, --hdu=STR: Extension name or number of input data.

: Output:

-a, --asis=STR: Write the argument string as is into the header.

-c, --comment=STR: Add COMMENT keyword, any length is ok.

-d, --delete=STR: Delete a keyword from the header.

-D, --dontdelete: Don't delete output if it exists.

-H, --history=STR: Add HISTORY keyword, any length is ok.

-K, --keepinputdir: Do not remove input's dir info for output.

-o, --output=STR: Output file or directory name.

-r, --rename=STR: Rename keyword, keeping value and comments.

-t, --date: Set the DATE keyword to the current time.

-u, --update=STR: Update a keyword value or comments.

-w, --write=STR: Write a keyword (with value, comments and units).

: Operating modes:

-?, --help: give this help list

--cite: BibTeX citation for Header.

--nolog: No log file for programs which make one.

-N, --numthreads=INT: Number of CPU threads to use.

--onlydirconf: Only read current directory configuration file.

--onlyversion=STR: Only run if the program version is this.

-P, --printparams: Print parameter values to be used and abort.

-q, --quiet: Only report errors, remain quiet about steps.

-Q, --quitonerror: Quit if there is an error on any action.

-S, --setdirconf: Set default values for this directory and abort.

--usage: give a short usage message

-U, --setusrconf: Set default values for this user and abort.

-V, --version: 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/