Separate combined text file.

partition.py

"""This text contain `----fileName` as break point."""
FILE_NAME = 'all.txt'

with open(FILE_NAME, mode='r') as f:
    _f = None
    for line in f.readlines():
        if line.startswith('----'):
            if _f:
                _f.close()
            _file_name = line.lstrip('-').rstrip('\r\n')
            _f = open('test/' + _file_name, 'w')
        else:
            _f.write(line)
    if _f:
        _f.close()