"""checktext - Check that a text file has macintosh-style newlines"""
import macfs
import sys
import EasyDialogs
import string
def main():
fsspec, ok = macfs.PromptGetFile('File to check end-of-lines in:', 'TEXT')
if not ok:
sys.exit(0)
pathname = fsspec.as_pathname()
fp = open(pathname, 'rb')
try:
data = fp.read()
except MemoryError:
EasyDialogs.Message('Sorry, file is too big.')
sys.exit(0)
if len(data) == 0:
EasyDialogs.Message('File is empty.')
sys.exit(0)
number_cr = string.count(data, '\r')
number_lf = string.count(data, '\n')
if number_cr == number_lf == 0:
EasyDialogs.Message('File contains no lines.')
if number_cr == 0:
EasyDialogs.Message('File has unix-style line endings')
elif number_lf == 0:
EasyDialogs.Message('File has mac-style line endings')
elif number_cr == number_lf:
EasyDialogs.Message('File probably has MSDOS-style line endings')
else:
EasyDialogs.Message('File has no recognizable line endings (binary file?)')
sys.exit(0)
if __name__ == '__main__':
main()
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