Shell 命令行，实现对若干网站状态批量查询是否正常的脚本

www.youtube.com
www.google.com
www.xxx.com
www.baidu.com
www.sina.com.cn
www.weibo.com
www.sohu.com
www.renren.com

logfile='./log/webSite-Status-'`date '+%Y%m%d'`'.log'
#touch $logfile
echo '--- watch web site by Fungleo ---' >> $logfile
echo '--- Web:blog.csdn.net/fungleo ---' >> $logfile
echo '--- Begin '`date '+%Y-%m-%d %H:%M:%S'`' ---' >> $logfile

sitelist=siteList.txt

i=0
l=$(wc -l $sitelist | sed 's/^[ \t]*//g' | cut -d ' ' -f1)
while read url; do
  # 进度百分比
  echo -en "\b\b\b\b"`echo $i*100/$l | bc `'%'
  ((i++))
  # 运行内容
  #result=$(curl --connect-timeout 3 -sI $url )
  result=$(curl --connect-timeout 3 -sL -D- $url -o /dev/null)
  curl_status=$?
  if [[ $curl_status -eq 0 ]]; then
    status=$(echo $result | grep HTTP | cut -d ' ' -f2)
  else
    status='die'
  fi
  echo 'status:'$status' | curl status:'$curl_status' | site:'$url  >> $logfile
done < $sitelist;

echo -e '--- End '`date '+%Y-%m-%d %H:%M:%S'`' ---\n' >> $logfile
echo -e '\b\b\b\bOK     '