`astropy.io.fits.header:Header.set`

source: /astropy/io/fits/header.py :891

Signature

   def     set (    self    ,    keyword    ,    value    =  None   ,    comment    =  None   ,    before    =  None   ,    after    =  None     )

Summary

Set the value and/or comment and/or position of a specified keyword.

Extended Summary

If the keyword does not already exist in the header, a new keyword is created in the specified position, or appended to the end of the header if no position is specified.

This method is similar to Header.update prior to Astropy v0.1.

Parameters

keyword : str: A header keyword
value : str, optional: The value to set for the given keyword; if None the existing value is kept, but '' may be used to set a blank value
comment : str, optional: The comment to set for the given keyword; if None the existing comment is kept, but '' may be used to set a blank comment
before : str, int, optional: Name of the keyword, or index of the Card before which this card should be located in the header. The argument before takes precedence over after if both specified.
after : str, int, optional: Name of the keyword, or index of the Card after which this card should be located in the header.

Aliases

astropy.io.fits.Header.set