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  1. or download this
    
my $p = `ping -c 1 www.google.com | grep -i "bytes.*ms"`
  2. or download this
    
64 bytes from lhr14s21-in-f16.1e100.net (173.194.34.144): icmp_seq=1 t
+tl=55 time=549 ms
  3. or download this
    
ping: unknown host www.google.com