NAME

fappend -- Append an extension from one FITS file onto the end of another FITS file.


USAGE

        fappend infile[ext#] outfile

DESCRIPTION

This task copies a FITS extension (or primary array) from one file and appends it to the end of the output file. If a FITS primary array is being copied then it will be converted to a FITS IMAGE extension in the output file. If the 'pkeywds' flag is set to true then any optional keywords in the primary header are copied into the appended extension's header as well.


PARAMETERS

infile [file name]
The file name and extension number of the extension to be copied. More than one file and extension can be append by specifying @filename. This file should contain a list of filenames and extension, one per line.

outfile [file name]
The name of the FITS file to be appended to.

(pkeywds = no) [boolean]
If this boolean flag is set to 'yes', then any optional keywords in the input file primary header will be copied to the extension header. The following required keywords will not be copied: SIMPLE, BITPIX, NAXIS, and EXTEND. This option should be used with caution since it can result in inappropriate, or even illegal keywords being copied into the extension header. This option has no effect if a primary array is being copied.

(history=yes) [boolean]
If this parameter is true, history records will be added to the output file headers.


EXAMPLES

1. Append the third extension from the FITS file test.fits to the FITS file test1.fits and copy all optional keywords from the primary header: 

             ft> fappend test.fits[3] test1.fits pkeywds+

2. Append the first extension from the FITS file test.fits to the FITS file test1.fits without copying the optional keywords from the primary header: 

             ft> fappend test.fits test1.fits

3. Copy the primary array from the FITS file image.fits to the FITS file data44.fits: 

             ft> fappend image.fits[0] data44.fits

4. Append the files specified in the file append.lis to the file out.fits 

             ft> fappend @append.lis out.fits

BUGS


SEE ALSO

ftappend, ftmerge, ftcopy. fv, the interactive FITS file editor, can also be used to copy FITS extensions between files.

CATEGORY

Feb92 ftools.futils