#!/bin/bash
rm run_cable_cmd
while [ 1 ]
do
  if [ ! -e run_cable_cmd ]
  then
    printf "Waiting for 'run_cable_cmd' to appear:   " 
    date
    sleep 1
  else
    echo "found it "
    echo "now executing  run_cable_cmd"
    ./run_cable_cmd 
    rm run_cable_cmd
  fi
  
done