定时自动ping主机的shell脚本(图文)

#!/bin/bash
# ping /etc/hosts
# edit by www.jiaochengji.com
Curdate=`date +%d%m%y`
CurPath='/tmp'
trap "delfile" 2
function delfile(){
if rm -f $CurPath/result.$Curdate ;then
  echo "Del result.$Curdate ok"
  exit 1
else
  echo "program error~please check!"
  exit 1
fi
}
for Loop in `cat /etc/hosts|grep -v "^#"|cut -f1`
do
 ping -s 1000 -c1 $Loop>$CurPath/result.$Curdate
 echo "Now,read?[y|n]"
 read NFS
 case $NFS in
 y|Y)
   Vue=`cat /tmp/result.$Curdate|sed -n '2p'`
   if [ "$Vue" = "" ];then
     echo "$Loop shutdown!"
   else
     echo $Vue
   fi
    ;;
 n|N)
    ;;
 esac
rm -f $CurPath/result.$Curdate
done