DBCLOSE
procedure to close a data base file
dbclose
None
None
the data base files currently opened are closed
DB_INFO()
version 2 D. Lindler Oct. 1987
For IDL version 2 August 1990
William Thompson, GSFC/CDS (ARC), 30 May 1994
Added support for external (IEEE) data format
Remove call to HOST_TO_IEEE W. Landsman June 2013