The template file is formatted as a CIAO parameter file
and must end in '.par'. A stack of files may be
used. If "NONE", all
header keywords will be written to the output file. If a
template file is given, only keywords which appear both in
the file header and the template file will be written to
the output file.
CONTENT,s,h,"EVT1",,,"NEWNAME"
TELESCOP,s,h,"CHANDRA",,,""
INSTRUME,s,h,"ACIS",,,""
DETNAM,s,h,"ACIS-7",,,""
GRATING,s,h,"NONE",,,""
OBJECT,s,h,"0235+164",,,""
The first three fields are required, but only the first
and last fields are used. The first
field contains the keyword name and the last field contains an
optional new name for the keyword in the output file. If the last
field is "", the name of the keyword is the same
in the output file as in the input file.