231206 Linux 문제 ⓐ 구구단 출력

vi gugudan.sh

------------------------------------------------
#!/bin/bash

for i in {2..9}
do
        for j in {1..9}
        do
                result=`expr $j \* $i`
                echo "$i * $j =$result"
        done
                echo "                     "
done

[선생님 코드]
for i in {2..9}
do
        echo "* $i 단 *"
        for j in {1..9}
        do
                result=`expr $j \* $i`
                echo "$i * $j =$result"
        done
                echo "                     "
done

------------------------------------------------