[실습] * 별출력

#!/bin/bash

echo " "
echo -n "Enter Number : "
read num

i=1

while [ $i -le $num ]
do
j=1

        while [ $j -le $i ]
        do
                echo -n  "*"
                j=`expr $j + 1`
        done

        echo " "
        i=`expr $i + 1`

done

---

#!/bin/bash
echo " "
echo -n "Enter Number : "
read num

i=1

while [ $i -le $num ]
do
j=1
nu=`expr $i - 1`
        while [ $j -le $nu ]
           do
                echo -n  " "
                j=`expr $j + 1`
           done


        while [ $j -le $i ]
        do
                echo -n  "*"
                j=`expr $j + 1`
        done

        echo " "
        i=`expr $i + 1`

done