Ping multiple IPs

fping.sh

#/bin/bash -x
#   
#   Copyright (c) 2015 Lyndell Rottmann
#   

# Debug mode on/off: (default off)
set +x

if [ -z "$@" ];then
  echo "I can haz IPs?"
  exit 1
fi

for I in  "$@"
do
  ping -c4 $I
  echo
done