tor-prompt / tor-cli as a shell command line tool to talk to Tor's ControlPort

Would be great if python-stem's existing tor-prompt linux command line tool could be enhanced so it could replace tor-ctrl.

not show the help "Welcome to Stem's interpreter prompt. This...", perhaps with a --no-help or --cli parameter?
using it in a pipe

echo signal newnym | tor-prompt --cli

250 OK

Or.

echo signal newnym | tor-cli

250 OK

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