On Thu, Dec 29, 2011 at 5:34 PM, Chris Angelico <ros...@gmail.com> wrote:
> On Thu, Dec 29, 2011 at 10:48 PM, Sayantan Datta <kenzo.zom...@gmail.com> > wrote: > > for line in sys.stdin : > > for char in line : > > sys.stdout.write(rotate13_letter(char)) > > > > cat sample.html | python rot13.py rot13.html > > You're reading from stdin, which is correct, but you're writing to > stdout and not redirecting it. You need to put an arrow before > rot13.html to indicate redirection: > > cat sample.html | python rot13.py >rot13.html > > Note though that 'cat' is superfluous here; all you need to do is > redirect input: > python rot13.py <sample.html >rot13.html > > Hope that helps! > > Chris Angelico > -- > http://mail.python.org/mailman/listinfo/python-list > did that, but the output file is still empty? Does the fault lie somewhere else?
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