"""CWM NTriples Cleaner"""

import string, re, sys

def clean(fn): 
   f = open(fn, 'r')
   s = f.read()
   f.close()
   return cleanf(s)

def cleanf(s): 
   results = re.compile(r'(\"\"\".*?\"\"\")', re.S).findall(s)
   for m in results: 
      mnew = string.replace(m[3:-3], '"', '\\"')
      mnew = '"'+string.replace(mnew, '\n', '')+'"'
      s = string.replace(s, m, mnew)
   return s

if __name__=="__main__": 
   if len(sys.argv) < 2: print __doc__
   else: print clean(sys.argv[1])