attempted fix for the 20s end times issue. we might need to revisit and be...

attempted fix for the 20s end times issue. we might need to revisit and be more explicit in order to handle bad input as well.

gridded_glm/libexec/_minute_gridder.py

@@ -158,7 +158,9 @@ def get_outpath_base(args):
             start_time, end_time: datetimes that can be used with strftime syntax, e.g.
                 './{start_time:%y/%b/%d}/GLM_{start_time:%Y%m%d_%H%M%S}.nc'
     """
-    ops_environment, algorithm, platform, start_time, end_time, created_time = parse_glm_filename(os.path.basename(args.filenames[0]))
+    ordered_filenames = sorted(args.filenames)
+    _, _, platform, start_time, _, _ = parse_glm_filename(os.path.basename(ordered_filenames[0]))
+    _, _, _, _, end_time, _ = parse_glm_filename(os.path.basename(ordered_filenames[-1]))
 
     sector_short = get_sector_shortstring(args)
     mode = "M3" # FIXME: is GLM always in M3?