Useful scripts for printing data

xdp title datafile
  print a single datafile directly to the printer
  e.g.
	xdp 430/session1 430.03.00.itd

xdp_session [-1 OR -4] title
  print on lp all the data and log files in the current directory
  in a nice bundle to stick in a notebook.
    -1 indicates one datafile per page
    -4 indicates pack four datafiles per page
  e.g.
	xdp_session -4 430/session1

xdp_all [-1 OR -4] title datafiles..
  sort the files, figure out what units are present from the list
  and then print out all the datafiles associated with those
  units for putting in notebook. Useful for only printing SOME units.
    -1 indicates one datafile per page
    -4 indicates pack four datafiles per page
  e.g.
	xdp_all -4 430/session1 430.{01,02,03}.*.*

xdp_unit [-1 OR -4] title datafiles..
  print all the specified datafiles in the order specified without
  any attention to unit number etc.
    -1 indicates one datafile per page
    -4 indicates pack four datafiles per page
  e.g.
	xdp_unit -4 430/session1 430.01.00.itd 430.02.00.itd 430.03.01.itd
