#!/usr/bin/python
# Filename: filereader.py
import sys
def readfile(filename):
‘‘‘Print a file to the standard output.‘‘‘
f = file(filename)
while True:
line = f.readline()
if len(line) == 0:
break
print line,
f.close()
if len(sys.argv) < 2:
print ‘No action specified.‘
sys.exit()
if sys.argv[1].startswith(‘--‘):
option = sys.argv[1][2:]
if option == ‘version‘:
print ‘Version 1.2‘
elif option == ‘help‘:
print ‘‘‘\
This program prints files to the standard output.
Any number of files can be specified.
Options include:
--version: Prints the version number
--help : Display this help‘‘‘
else:
print ‘Unknown option.‘
sys.exit()
else:
for filename in sys.argv[1:]:
readfile(filename)
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