program in interactive mode

[M.E.Farmer]

B.G.R. wrote:
> Hi all,
[snip]
> A little bit more complex, but that's the idea. That will work if the
user
> does something like "./myprog.py < code" or "cat code | ./myprog.py",
and
> that's ok, but if the user only does "./myprog.py" then I got to get
into
> interactive mode and show a prompt in every line expecting the user
input
> for that line. Problem is I don't know how to tell if I've been
"piped" or
> not.
> I used to think that the piped program doesn't know anything and it's
just
> OS dependant to close and open the right descriptors, but I'm not
sure
> anymore. Any help or pointer in the right direction would be greatly
> appreciated.
>
> Happy christmas everyone,
>
> RGB
Hello RGB,
what you are loking for is sys.stdin.isatty()

py> if sys.stdin.isatty():
...    print 'Console'
... else:
...    print 'Redirected'
    
Hth,
M.E.Farmer