1 """checktext - Check that a text file has macintosh-style newlines"""

     2 

     3 import sys

     4 import EasyDialogs

     5 import string

     6 

     7 def main():

     8     pathname = EasyDialogs.AskFileForOpen(message='File to check end-of-lines in:')

     9     if not pathname:

    10         sys.exit(0)

    11     fp = open(pathname, 'rb')

    12     try:

    13         data = fp.read()

    14     except MemoryError:

    15         EasyDialogs.Message('Sorry, file is too big.')

    16         sys.exit(0)

    17     if len(data) == 0:

    18         EasyDialogs.Message('File is empty.')

    19         sys.exit(0)

    20     number_cr = string.count(data, '\r')

    21     number_lf = string.count(data, '\n')

    22     if number_cr == number_lf == 0:

    23         EasyDialogs.Message('File contains no lines.')

    24     if number_cr == 0:

    25         EasyDialogs.Message('File has unix-style line endings')

    26     elif number_lf == 0:

    27         EasyDialogs.Message('File has mac-style line endings')

    28     elif number_cr == number_lf:

    29         EasyDialogs.Message('File probably has MSDOS-style line endings')

    30     else:

    31         EasyDialogs.Message('File has no recognizable line endings (binary file?)')

    32     sys.exit(0)

    33 

    34 if __name__ == '__main__':

    35     main()