awk常用命令

使用外部变量

注册并充值

userList=`cat /tmp/reg.txt | awk '{printf("%s,",$0)}' `;cat /tmp/pay.txt  | awk -v userList="$userList" ' BEGIN{ count=0; split(userList,userListTmpArr,","); for(i in userListTmpArr) { userName=userListTmpArr[i]; if(userName) { userListArr[userName] = 1; } } } { //代码} END {//代码}'