build_id.RdBuild unique file identifier
build_id(dataset, subdataset, start_date, end_date, resolution)
| dataset | Name of dataset (e.g. 'CCI_landCover').  | 
    
|---|---|
| subdataset | Name of subdataset (e.g. 'landCover').  | 
    
| start_date | Date object with start date of the dataset.  | 
    
| end_date | Date object with end date of the dataset.  | 
    
| resolution | Character element with resolution of dataset (e.g. '10km').  | 
    
Returns standardized file identifier.
Builds an unique file identifier, needed to register a file in the database.