<filename>demo/cat.py
#!/usr/bin/env python
import sys
with open(sys.argv[1], 'r') as f:
    for line in f.readlines():
        sys.stdout.write(line)

<filename>demo/cat.py
#!/usr/bin/env python
import sys
with open(sys.argv[1], 'r') as f:
    for line in f.readlines():
        sys.stdout.write(line)

#!/usr/bin/env python