shell常用命令

循环时间

#!/bin/sh  

startdate=`date -d "$1" +%Y-%m-%d`  
enddate=`date -d "$2" +%Y-%m-%d`  
  
while [[ $startdate < $enddate  ]]  
do  
    sh /var/lib/hadoop-hdfs/sunbo/ghost/xdq/lp/old_data/etl_shell.sh $startdate $startdate      
    startdate=`date -d "+1 day $startdate" +%Y-%m-%d`  

done  

查看和杀死后台进程

ps -aux | grep "check_detail.sh"

ps -aux | grep "check_detail.sh" | awk '{print $2}' | xargs kill -9

ps -ef | grep "check_detail.sh"