namejm写的批处理

				@echo off
				:: 把两个文件中的不同之处提取到某个文件中去
				:: code by jm 2006-9-9 CMD@XP
				cd.>3.txt
				for /f "tokens=1* delims=:" %%i in ('findstr /n . 1.txt') do (
				    for /f "tokens=1* delims=:" %%x in ('findstr /n . 2.txt') do (
				        if %%i equ %%x if not "%%j"=="%%y" (>>3.txt echo 1:%%j&>>3.txt echo 2:%%y&>>3.txt echo.)
				    )
				)