moth/packages/octopus/solution.sh

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#! /bin/sh
port=8888
host=10.0.0.10
blooper=$(tempfile)
trap "rm $blooper" 0
echo foo | socat -t 0.01 STDIO UDP:$host:$port | tail -n +4 > $blooper
for i in $(seq 8); do
result=$(socat -t 0.01 STDIO UDP:$host:$port < $blooper | awk -F': ' '(NF > 1) {print $2; exit;}')
port=$(echo "ibase=8; $result" | bc)
echo $port
done
echo $result