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""" Functions for converting from DOS to UNIX line endings |
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""" |
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import os |
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import re |
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import sys |
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def dos2unix(file): |
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"Replace CRLF with LF in argument files. Print names of changed files." |
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if os.path.isdir(file): |
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print(file, "Directory!") |
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return |
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with open(file, "rb") as fp: |
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data = fp.read() |
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if '\0' in data: |
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print(file, "Binary!") |
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return |
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newdata = re.sub("\r\n", "\n", data) |
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if newdata != data: |
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print('dos2unix:', file) |
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with open(file, "wb") as f: |
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f.write(newdata) |
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return file |
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else: |
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print(file, 'ok') |
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def dos2unix_one_dir(modified_files, dir_name, file_names): |
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for file in file_names: |
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full_path = os.path.join(dir_name, file) |
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file = dos2unix(full_path) |
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if file is not None: |
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modified_files.append(file) |
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def dos2unix_dir(dir_name): |
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modified_files = [] |
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os.path.walk(dir_name, dos2unix_one_dir, modified_files) |
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return modified_files |
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def unix2dos(file): |
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"Replace LF with CRLF in argument files. Print names of changed files." |
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if os.path.isdir(file): |
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print(file, "Directory!") |
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return |
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with open(file, "rb") as fp: |
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data = fp.read() |
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if '\0' in data: |
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print(file, "Binary!") |
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return |
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newdata = re.sub("\r\n", "\n", data) |
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newdata = re.sub("\n", "\r\n", newdata) |
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if newdata != data: |
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print('unix2dos:', file) |
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with open(file, "wb") as f: |
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f.write(newdata) |
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return file |
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else: |
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print(file, 'ok') |
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def unix2dos_one_dir(modified_files, dir_name, file_names): |
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for file in file_names: |
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full_path = os.path.join(dir_name, file) |
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unix2dos(full_path) |
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if file is not None: |
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modified_files.append(file) |
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def unix2dos_dir(dir_name): |
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modified_files = [] |
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os.path.walk(dir_name, unix2dos_one_dir, modified_files) |
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return modified_files |
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if __name__ == "__main__": |
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dos2unix_dir(sys.argv[1]) |
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