## Not run:
# # Make a simple netCDF file
# filename <- "atttest_types.nc"
# dim <- ncdim_def( "X", "inches", 1:12 )
# var <- ncvar_def( "Data", "unitless", dim, -1 )
# ncnew <- nc_create( filename, var )
#
# # Define some attributes of various types
# attvaldbl <- 3.1415926536
# ncatt_put( ncnew, var, "testatt_dbl", attvaldbl, prec="double" )
# attvalfloat <- c(1.0,4.0,9.0,16.0)
# ncatt_put( ncnew, var, "testatt_float", attvalfloat )
# # varid=0 means it is a global attribute
# ncatt_put( ncnew, 0, "globalatt_int", 32000, prec="int" )
# ncatt_put( ncnew, 0, "globalatt_short", 7, prec="short" )
# ncatt_put( ncnew, 0, "description",
# "this is a test file with attributes of various types")
# nc_close(ncnew)
# ## End(Not run)
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