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#!/bin/sh
# Test for connectivity with ping
Timer=${1:-120} # Number of seconds to retest
Timer2=${2:-10} # Number of seconds to retest if connection fails
IP=${3:-'8.8.8.8'} # IP address to test, defaults to Google
PCount=${4:-3} # Number of pings to send
# Main loop
while true; do
# Pings the IP address for five times
PINGSTR=$(ping $IP -c $PCount -q)
# Use text formatting to get min/max ms delays
MED=$(echo $PINGSTR | sed 's/min\/avg\/max\/mdev = /\n/g' | tail -n 1 | sed 's/\//\t/g' | cut -f2)
if [[ "$MED" == "" ]]; then
echo "med|string|No connection"
echo ""
sleep $Timer2
else
echo "med|string|$MED ms"
echo ""
sleep $Timer
fi
done
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