-- main.mcl --
exec ["exec0", "exec1"] {
	cmd => "echo whatever",
	shell => "/bin/bash",
}

file "/tmp/command-output" {
	state => $const.res.file.state.exists,
}

# this is an error because two senders cannot send to the same receiver key
Exec[["exec0", "exec1"]].output -> File["/tmp/command-output"].content
-- OUTPUT --
# err: errInterpret: resource: `file[/tmp/command-output]` has duplicate receive on: `content` param
