import sys
import os
#import Tkinter, tkFileDialog

def main():

   #root = Tkinter.Tk()
   #root.withdraw()
   #file_path = tkFileDialog.askopenfilename()
   filepath = "hej.txt"

   if not os.path.isfile(filepath):
       print("hittar ingen fil".format(filepath))
       sys.exit()

   fp = open(filepath, 'r')
   fp2 = open('bajs.txt', 'w')
   cnt = 0
   for line in fp:
       new=line.split("N")[0]
       print(new+"\n")
       fp2.write(new+"\n")
       cnt += 1
   fp.close()
   fp2.close()





if __name__ == '__main__':
   main()