Shell Programming and Scripting

#!/bin/sh
#in=${@}
#tst=`echo ${in}|tr ' ' "Z"`
#if [ "${tst}" = "" ]; then
#  echo "ERROR: Must provide some hosts as input to this script"
#  exit 1
#fi

#for hostName in $in
#do
#  ping -q -c 1 $hostName > /dev/null 2>&1
#  if [ $? -ne 0 ]; then
#    echo $hostName is offline
#  else
#    echo $hostName is online
#  fi

#done

#exit 0

count=0
x=0
while [ $count -ne $# ]
do
  if [ $count -eq 0 ]
  then
    x=$1
  elif [ $count -eq 1 ]
  then
    x=$2
  elif [ $count -eq 2 ]
  then
    x=$3
  elif [ $count -eq 3 ]
  then
    x=$4
  elif [ $count -eq 4 ]
  then
    x=$5
  elif [ $count -eq 5 ]
  then
    x=$6
  elif [ $count -eq 6 ]
  then
    x=$7
  elif [ $count -eq 7 ]
  then
    x=$8
  elif [ $count -eq 8 ]
  then
    x=$9
  fi
  ping -q -c 1 $x > /dev/null 2>&1
  if [ $? -ne 0 ]
  then
    echo "$x is offline"
  else
    echo "$x is online"
  fi
  count=`expr $count + 1`
done

if [ $# -eq 0 ]
then
    echo "Usage: $0 host [...]">&2
    exit 1
fi

while [ $# -gt 0 ]
do
    if ping -q -c 1 $1 > /dev/null 2>&1
    then
         echo $1 is offline
    else
        echo $1 is online
    fi
    shift
done