path: root/iperf3-to-random-public-server.sh

#!/bin/sh
dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
for sp in $(shuf $dir/iperf3-servers.txt); do
  printf "Trying %s...\n" "$sp"
  srv="${sp%:*}"
  port="${sp#*:}"
  iperf3 -c $srv -p $port && break
done