Home | History | Annotate | Download | only in example0 
      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()
     36