Determine if a particular namelist already opened.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| character(len=*), | intent(in) | :: | nml | 
                 Namelist to be opened.  | 
        ||
| logical, | intent(out) | :: | exist | 
                 Determination if namelist is open.  | 
        
I/O dummy indices.