mysql_Calculator

[root@192 ~]# ./mysql_Calculator.sh 9 - 2

7

[root@192 ~]# ./mysql_Calculator.sh 9 + 2

11

[root@192 ~]# ./mysql_Calculator.sh 9 \* 2

18

[root@192 ~]# ./mysql_Calculator.sh 9 / 2 

4.5000

[root@192 ~]# ./mysql_Calculator.sh 9 % 2

1

[root@192 ~]# cat mysql_Calculator.sh

#!/bin/bash

/usr/bin/mysql -p3306 --socket=/data/3306/mysql.sock -e "select $1 $2 $3;" |awk 'NR==2{print $0}'