#!/bin/bash
read -p "Enter number: " number
for ((chu=1;chu<=$number;chu++))
do
for ((hua=$chu;hua>=1;hua--))
do
echo -n " "
done
for ((shi=$chu;$number-shi>=0;shi++))
do
echo -n "* "
done
echo ""
done
亏我挺有成就感，结果才是入门级脚本，