Start selenium-rc if needed

selenium-rc-if-needed.bash

#!/usr/bin/env bash

export SELENIUM_SERVER_PORT=4444
process_id=$(lsof -i tcp:$SELENIUM_SERVER_PORT -Fp|tr -d p)

if [ $process_id ] ; then
 echo "Selenium server is already running"
else
 selenium-rc &
 echo "New Selenium server started"
fi

# now run your command which requires local selenium rc