no-dependency perl instead of bash
no-dependency perl instead of bash

adafruit/Adafruit-Pi-Finder,octoblu/Adafruit-Pi-Finder,CalmEQ/calmeq-pi-setup,StealthMicro/Adafruit-Pi-Finder,CalmEQ/calmeq-pi-setup,adafruit/Adafruit-Pi-Finder,CalmEQ/calmeq-pi-setup,octoblu/Adafruit-Pi-Finder,StealthMicro/Adafruit-Pi-Finder