Create output directory.

climax/main/preprocess_ERA5.py

@@ -66,6 +66,9 @@ if __name__ == '__main__':
             # check if aggregated file exists
             filename = '_'.join(['ERA5', var, ymin, ymax]) + '.nc'
             filename = args.target.joinpath(var, filename)
+            if not filename.parent.exists():
+                LOGGER.info('mkdir {}'.format(filename.parent))
+                filename.parent.mkdir(parents=True, exist_ok=True)
             if filename.exists() and not args.overwrite:
                 LOGGER.info('{} already exists.'.format(filename))
                 continue