KnowSky404

setproxy() {
  local proxy="http://127.0.0.1:20171"
  for v in http_proxy https_proxy all_proxy HTTP_PROXY HTTPS_PROXY ALL_PROXY; do
    export $v="$proxy"
  done
  echo "Proxy set to $proxy"

  # auto check proxy
  if curl -s --connect-timeout 5 -I https://www.google.com --proxy $proxy | grep "200" >/dev/null; then
    echo "✅ Proxy is working (Google reachable)"