请教，如何创建脚本文件（SCR文件), 并在autocad中打开它？

用记事本编辑创建脚本文件，如下是定义绘图边界和绘制直线。
limits 47612.374,19189.129 47817.58,19385.034
line 47817.416,19382.947 47814.494,19350.651
line 47817.416,19382.947 47816.527,19365.226
line 47814.494,19350.651 47816.527,19365.226
line 47814.494,19350.651 47803.01,19365.478
line 47803.01,19365.478 47816.527,19365.226
line 47803.01,19365.478 47817.416,19382.947
line 47803.01,19365.478 47793.797,19371.158
line 47803.01,19365.478 47798.495,19366.722
zoom all


autocad中打开为：工具->允许脚本，选择脚本文件。