for i in $(seq 1 50);do curl -s http://baidurank.aizhan.com/baidu/jiameng.com/$i/position/|grep -a 'class="zhishu"'|sed 's/<a target="_blank"//g'|sed 's/class="zhishu"//g'|sed 's/href=\"http:\/\/ci.aizhan.com\///g'|sed 's/\/">.*//g'; done