idlastro / FITS I/O: FITS_CLOSE

[Source code]

NAME
FITS_CLOSE
PURPOSE
Close a FITS data file
CATEGORY
INPUT/OUTPUT
CALLING SEQUENCE
FITS_CLOSE,fcb
INPUTS
FCB: FITS control block returned by FITS_OPEN.
KEYWORD PARAMETERS
/NO_ABORT: Set to return to calling program instead of a RETALL
        when an I/O error is encountered.  If set, the routine will
        return  a non-null string (containing the error message) in the
        keyword MESSAGE.   If /NO_ABORT not set, then FITS_CLOSE will 
        print the message and issue a RETALL
MESSAGE = value: Output error message
EXAMPLES
Open a FITS file, read some data, and close it with FITS_CLOSE
        FITS_OPEN,'infile',fcb
        FITS_READ,fcb,data
        FITS_READ,fcb,moredata
        FITS_CLOSE,fcb
HISTORY
Written by:     D. Lindler      August, 1995
Converted to IDL V5.0   W. Landsman   September 1997
Do nothing if fcb an invalid structure D. Schlegel/W. Landsman Oct. 2000
Return Message='' for to signal normal operation W. Landsman Nov. 2000