@echo off
for /f "delims=" %%a in (run_un.txt) do (
for /f "delims=" %%i in ('dir /a-d /s /b "D:\文件夹1\%%a"') do (
if "%%i"=="找不到文件" (
echo;%%a>>2.txt
set n+=1
) else (
copy /y "%%~fi" D:\文件夹2\ 
set m+=1
)
)
)
echo;找到%m%个，有%n%个没找到
pause>nul 


信息转载来源：http://www.bathome.net/thread-43124-1-1.html