小编Edd*_*One的帖子

我想编写一个脚本来验证副本是否成功.这就是我所拥有的:

#!/bin/sh
cp home/testing/present.txt home/testing/future.txt
   echo "Copy Code: $? - Successful"
if [ $? != 0 ]; then
   echo "Copy Code: $? - Unsuccessful"
fi

"if"语句未初始化.怎么解决这个？感谢您的时间.