keyhead (1) Linux Manual Page
keyhead – Change FITS or IRAF header keyword names Synopsissethead [-hknv] <FITS or IRAF file> kw1=kw1a kw2=kwd2a … kwn=kwdna DescriptionChange the names of keywords in FITS or IRAF image headers. Each current image keyword whose entry is to be modified should be followed by an equal sign and a second keyword, with no intervening spaces….
