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Asked: 2026-05-31T19:14:07+00:00

I’d like to pass input from node into a commandline-based program I wrote. Starting

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I’d like to pass input from node into a commandline-based program I wrote. Starting the program is easy enough with child_process.exec, but how can I pass more input after the program has been started?

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  1. Editorial Team

    child_processes.exec returns a “ChildProcess object”, which has a property called stdin, which is a writable stream to that process’s stdin. Check out the docs for more info.

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