#!/bin/bash

[[ -z $1 ]] && echo mirror file? && exit 1
mirror_file=$1

echo sorting best mirrors
for mirror in `grep -vE '^#|^$' $mirror_file`; do
	ping -c1 -W1 $mirror | grep time= 2>/dev/null
done | sort -bV -k 4 -t '='; unset mirror