#!/bin/sh
if tty -s
thenecho"Run 'help' for help, or 'exit' to leave. Available commands:"elseecho"Run 'help' for help. Available commands:"ficd"$(dirname "$0")"for cmd in *
docase"$cmd" in
help) ;;
*)[ -f "$cmd"]&&[ -x "$cmd"]&&echo"$cmd" ;;
esacdone