shell查询日志中数值大于20000的所有记录

#!/bin/bash

str='执行sql耗时:'

grep 行sql耗时:  dcloud-data-web.log|  awk '{print $6}' |awk -F ':' '{print $2}' |awk '$1 >20000 {print $1}'| while read line
do

grep ${str}$line dcloud-data-web.log >>20000.sql

done