[examples] make run scripts executable (#10037)

* make executable

* make executable

* same for the template

* cleanup

examples/benchmarking/run_benchmark.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2020 The HuggingFace Inc. team.
 # Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.

examples/benchmarking/run_benchmark_tf.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2018 The HuggingFace Inc. team.
 # Copyright (c) 2020, NVIDIA CORPORATION.  All rights reserved.

examples/language-modeling/run_clm.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2020 The HuggingFace Inc. team. All rights reserved.
 #

examples/language-modeling/run_mlm.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2020 The HuggingFace Team All rights reserved.
 #

examples/language-modeling/run_mlm_flax.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2020 The HuggingFace Team All rights reserved.
 #

examples/language-modeling/run_plm.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2020 The HuggingFace Team All rights reserved.
 #

examples/legacy/run_camembert.py

+#!/usr/bin/env python
 import torch
 
 from transformers import CamembertForMaskedLM, CamembertTokenizer

examples/legacy/run_chinese_ref.py

+#!/usr/bin/env python
 import argparse
 import json
 from typing import List

examples/legacy/run_language_modeling.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2018 The Google AI Language Team Authors and The HuggingFace Inc. team.
 # Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.

examples/legacy/run_openai_gpt.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2018 Google AI, Google Brain and Carnegie Mellon University Authors and the HuggingFace Inc. team.
 # Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.

examples/legacy/run_swag.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2018 The Google AI Language Team Authors and The HuggingFace Inc. team.
 # Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.

examples/legacy/run_transfo_xl.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2018 Google AI, Google Brain and Carnegie Mellon University Authors and the HuggingFace Inc. team.
 # Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.

examples/multiple-choice/run_swag.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright The HuggingFace Team and The HuggingFace Inc. team. All rights reserved.
 #

examples/multiple-choice/run_tf_multiple_choice.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2018 The Google AI Language Team Authors and The HuggingFace Inc. team.
 # Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.

examples/question-answering/run_qa.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2020 The HuggingFace Team All rights reserved.
 #

examples/question-answering/run_qa_beam_search.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2020 The HuggingFace Team All rights reserved.
 #

examples/question-answering/run_tf_squad.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2018 The Google AI Language Team Authors and The HuggingFace Inc. team.
 # Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.

examples/seq2seq/run_seq2seq.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright The HuggingFace Team and The HuggingFace Inc. team. All rights reserved.
 #

examples/text-classification/run_glue.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2020 The HuggingFace Inc. team. All rights reserved.
 #

examples/text-classification/run_tf_glue.py

+#!/usr/bin/env python
 # coding=utf-8
 # Copyright 2020 The HuggingFace Team. All rights reserved.
 #