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Editorial Team
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Asked: 2026-05-16T23:43:49+00:00

Standard streams are associated with a program. So, suppose there is a program already

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Standard streams are associated with a program. So, suppose there
is a program already running in some way (I don’t care how or in
what way). The goal is to create pipes to the STDIN of the
program from different processes (or programs) that run either
locally or remotely and stream data into it asynchronously.

Available information is (1) the host address and (2) the pid of the program only.
How does one implement both cases in Python in this case?

Edit: I should have mentioned this presupposition. The intended operating system is Linux with a (fairly) recent kernel.

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1 Answer

  1. Editorial Team

    This isn’t portable, but on many Linux systems, you can write to

    /proc/$PID/fd/0

    I think this may be one of a very limited number of potentially complicated options if you don’t have any other control over the remote process.

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