# L-23 MCS 260 Friday 19 October 2007 : first line
#
# This program prints the first line of every file
# in the current directory.
#
import os
L = os.listdir('.')
for filename in L:
   print 'first line in ' + filename + ':'
   file = open(filename,'r')
   s = file.readline()
   print s[:-1]   # leave newline off
   file.close()