os. Redirecting stdout seems to be a pretty common request on the wxPython users group, so I decided to see how easy it would be to do it with Tkinter. If you have a daemon process and really want to close or redirect the standard file descriptors, you must close or redirect at both the Python and C levels. Tkinter – Redirecting stdout / stderr. # here's the obvious part! Redirect stdout and stderr to a logger in Python. Let’s check out how stdin, stderr, and stdout works and how you can use them as well. Kris stderr. close # this is pretty obscure! Another solution would be to use the -u(unbuffered) switch of python. Opening /dev/tty (or even /dev/stderr) can work even if stdin is redirected. stdin. Sunday, August 14th, 2011

If you’re familiar with the command line, you may already have taken advantage of these features.

close (1) os. close (2) When would you want to use this? The (later) redirection of < <(echo answer) takes effect, and python gets only the word answer as the script to run.

close sys. This will read "my_cmd"'s STDOUT output and get a stream to it in p. Since my Python module cannot read from "p" directly, I am trying to redirect STDOUT of "my_cmd" back into STDIN using: p = subprocess.Popen(my_cmd, stdout=subprocess.PIPE, stdin=subprocess.PIPE, shell=True).stdout I then call my module, which uses "-" as a placeholder for STDIN: Is is Possible to redirect the Python stdin in order to receive stdin commands from a file ? close (0) os. This isn't going to work since you're redirecting to python's stdin twice. As Python will buffer the stdout by default, here i have used sys.stdout.flush() to flush the buffer. with regards Jon If you're on *nix I know you can do this: python myfile.py

So, the following will do too: python …

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