child process

A program started by another program, which waits for it or talks to it.

std::process::Command spawns a child process; output() collects its stdout, stderr and exit status, spawn() returns a Child to wait on or talk to through pipes.

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Examples

Command::new("git").arg("--version").output()? runs git, waits for it, and returns its stdout, stderr and exit status.
If the program doesn't exist, output() returns an Err whose kind() is NotFound.