netcdf test_unlim {
dimensions:
	lat = 3 ;
	lon = 2 ;
	time = UNLIMITED ; // (2 currently)
variables:
	float lat(lat) ;
		lat:units = "degrees_north" ;
	float lon(lon) ;
		lon:units = "degrees_east" ;
	double time(time) ;
		time:units = "seconds since 2009-01-01" ;
	float pr(time, lat, lon) ;
		pr:standard_name = "air_pressure_at_sea_level" ;
		pr:units = "hPa" ;

// global attributes:
		:title = "example for workshop" ;
data:

 lat = _, _, _ ;

 lon = _, _ ;

 time = _, _ ;

 pr =
  0, 1,
  2, 3,
  4, 5,
  10, 11,
  12, 13,
  14, 15 ;
}