@details
Reads the content of the variable (!) named no_obs from
NetCDF file fn.
Uses subroutines from the NetCDF module.
The result is returned in `nn`.
The result is used to decide if the next observation file is
used or not.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| character(len=*), | intent(in) | :: | fn |
Filename of the observation file |
||
| integer, | intent(out) | :: | nn |
number of observations in |