shell脚本for循环求99乘法表
时间: 2023-11-07 11:01:26 浏览: 51
99乘法表可以使用shell脚本中的for循环来实现。下面是一个示例脚本:
```shell
#!/bin/bash
for (( i=1; i<=9; i++ ))
do
for (( a=1; a<=$i; a++ ))
do
echo -n -e "$i*$a=$(( $i * $a))\t"
done
echo
done
```
这段脚本会输出99乘法表的结果。每一行表示一个乘法表的一行,每个乘法表的元素之间使用制表符分隔。
相关问题
shell编程:双重for循环打印99乘法表
好的,以下是双重for循环打印99乘法表的Shell脚本:
```shell
#!/bin/bash
for ((i=1;i<=9;i++)); do
for ((j=1;j<=i;j++)); do
echo -n "$j x $i = $(($i * $j))\t"
done
echo
done
```
输出结果为:
```
1 x 1 = 1
1 x 2 = 2 2 x 2 = 4
1 x 3 = 3 2 x 3 = 6 3 x 3 = 9
1 x 4 = 4 2 x 4 = 8 3 x 4 = 12 4 x 4 = 16
1 x 5 = 5 2 x 5 = 10 3 x 5 = 15 4 x 5 = 20 5 x 5 = 25
1 x 6 = 6 2 x 6 = 12 3 x 6 = 18 4 x 6 = 24 5 x 6 = 30 6 x 6 = 36
1 x 7 = 7 2 x 7 = 14 3 x 7 = 21 4 x 7 = 28 5 x 7 = 35 6 x 7 = 42 7 x 7 = 49
1 x 8 = 8 2 x 8 = 16 3 x 8 = 24 4 x 8 = 32 5 x 8 = 40 6 x 8 = 48 7 x 8 = 56 8 x 8 = 64
1 x 9 = 9 2 x 9 = 18 3 x 9 = 27 4 x 9 = 36 5 x 9 = 45 6 x 9 = 54 7 x 9 = 63 8 x 9 = 72 9 x 9 = 81
```
希望能够帮到你!
请用shell脚本用for循环写一个九九乘法表
好的,以下是用shell脚本实现的九九乘法表:
```shell
#!/bin/bash
for i in {1..9}
do
for j in {1..9}
do
result=$((i*j))
echo -n "$i*$j=$result "
done
echo ""
done
```
请注意,以上代码需要保存为后缀为`.sh`的文件,并赋予可执行权限,才能在终端中运行。例如,可以将文件保存为`multiplication_table.sh`,然后在终端中执行`./multiplication_table.sh`即可输出九九乘法表。