overwrite output directories if needed

examples/run_bert_classifier.py

@@ -186,7 +186,7 @@ def main():
         raise ValueError("At least one of `do_train` or `do_eval` must be True.")
 
     if os.path.exists(args.output_dir) and os.listdir(args.output_dir) and args.do_train and not args.overwrite_output_dir:
-        raise ValueError("Output directory ({}) already exists and is not empty.".format(args.output_dir))
+        raise ValueError("Output directory ({}) already exists and is not empty. Use --overwrite_output_dir to overcome.".format(args.output_dir))
     if not os.path.exists(args.output_dir) and args.local_rank in [-1, 0]:
         os.makedirs(args.output_dir)
 

examples/run_bert_squad.py

@@ -179,7 +179,7 @@ def main():
                 "If `do_predict` is True, then `predict_file` must be specified.")
 
     if os.path.exists(args.output_dir) and os.listdir(args.output_dir) and args.do_train and not args.overwrite_output_dir:
-        raise ValueError("Output directory () already exists and is not empty.")
+        raise ValueError("Output directory {} already exists and is not empty. Use --overwrite_output_dir to overcome.".format(args.output_dir))
     if not os.path.exists(args.output_dir):
         os.makedirs(args.output_dir)
 

examples/run_xlnet_classifier.py

@@ -151,7 +151,7 @@ def main():
         raise ValueError("At least one of `do_train` or `do_eval` must be True.")
 
     if os.path.exists(args.output_dir) and os.listdir(args.output_dir) and args.do_train and not args.overwrite_output_dir:
-        raise ValueError("Output directory ({}) already exists and is not empty.".format(args.output_dir))
+        raise ValueError("Output directory ({}) already exists and is not empty. Use --overwrite_output_dir to overcome.".format(args.output_dir))
     if not os.path.exists(args.output_dir) and args.local_rank in [-1, 0]:
         os.makedirs(args.output_dir)
 

examples/run_xlnet_squad.py

@@ -179,7 +179,7 @@ def main():
                 "If `do_predict` is True, then `predict_file` must be specified.")
 
     if os.path.exists(args.output_dir) and os.listdir(args.output_dir) and args.do_train and not args.overwrite_output_dir:
-        raise ValueError("Output directory () already exists and is not empty.")
+        raise ValueError("Output directory {} already exists and is not empty. Use --overwrite_output_dir to overcome.".format(args.output_dir))
     if not os.path.exists(args.output_dir):
         os.makedirs(args.output_dir)