批处理脚本 - 删除两端

这用于删除字符串的首尾字符

示例

@echo off 
set str = Batch scripts is easy. It is really easy 
echo %str% 

set str = %str:~1,-1% 
echo %str%

对于上面的程序，需要注意的是，~1,-1 用于删除字符串的首尾字符。

输出

上述命令产生以下输出。

Batch scripts is easy. It is really easy 
atch scripts is easy. It is really eas