#!/bin/sh
triggers_present=`ls /dev/USBpulses/* | wc -w | awk '{print $1 / 2}'`
target_present=4
if [ $triggers_present -eq $target_present ] ; then
echo "All $target_present USBpulse triggers present: OK"
exit 0
else
echo "Only $triggers_present USBpulse triggers present: ERROR"
exit 1
fi
