Duplicate Ntuples

CALL HNTDUP (ID1,ID2,NEWBUF,CHTITL,CHOPT)
  

Action: Duplicate the definition of an Ntuple into a new Ntuple with the same definitions as the original one, but with 0 entries.

Input parameter description:

ID1

Identifier of original Ntuple

ID2

Identifier of new Ntuple

NEWBUF

Buffer size

NEWBUF<0

use buffer size of ID1

NEWBUF=0

use current buffer size(10000 for RWN's)

NEWBUF>0

use actually specified value as buffer size

CHTITL

Character variable specifying the the new title for the duplicate Ntuple. If CHTITL=' ' use the original title.

CHOPT

Character variable specifying the desired option

CHOPT=' '

use original value (disk or memory resident)

CHOPT='M'

make the Ntuple memory resident

CHOPT='A'

interactive mode: sets the addresses to /PAWCR4/.