编写脚本，使用for和while分别实现192.168.0.0/24网段内，地址是否能够ping通，若ping通则输出"success!"，若ping不通则输出"fail!"

for

#!/bin/bash
NETID=10.0.0.
for HOSTID in {1..254};do

{
        if /bin/ping -c1 -W1 $NETID$HOSTID >/dev/null ;then
                echo "$NETID$HOSTID is success"
        else
                echo "$NETID$HOSTID is fail"
        fi
} &   ###并发执行
done
wait

while

#!/bin/bash
NETID=10.0.0
declare -i HOSTID=1

while [ $HOSTID -lt 255 ];do

  ping -c1 -W1 $NETID.$HOSTID &> /dev/null

  if [ $? -eq 0 ];then
     echo "$NETID.$HOSTID success!"
  else
     echo "$NETID.$HOSTID fail!"
  fi

  let HOSTID++

done