#!/usr/bin/env python

# import required modules:
#  note that the path to the module htkmfc must be included in the
#  PYTHONPATH environment variable.
#
import os
import sys

# main: this is the main function of this Python
#
def main(argv):

    # first method
    #
    with open(sys.argv[1]) as fp:
        i = int(0)
        for l in fp:
            line = l.rstrip('\n')
            print("1st method %d): %s (%d)" % 
                  (i, line, len(line)))
            i += int(1)
    fp.close()

    # second method
    #
    print("second method: ...")
    for l in open(sys.argv[1], 'r').readlines():
        line = l.rstrip('\n')
        print("2nd method: ", line)
    #f.close()

    # third method
    #
    lines = [line.rstrip('\n') for line in open(sys.argv[1])]
    print("3rd method: ", lines)
    for line in lines:
        parts = line.split();
        print("parts = %s" % parts)

# begin gracefully
#
if __name__ == "__main__":
    main(sys.argv[0:])

#
# end of file