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