6、shell脚本，打印九九乘法表

 

参考脚本如下

#!/bin/bash

 1 i=1
 2 until ((i>9))
 3 do
 4    let j=1
 5    until ((j>i))
 6    do
 7       let "temp=i*j"
 8       echo -n "$i*$j=$temp "
 9       let j++
10    done
11    let i++
12    echo ""
13 done