中国DOS联盟

例:D:\音乐\
目录下数量不确
怎么随机获取一个文件?

@echo off

setlocal enabledelayedexpansion

set h=0

for /f "delims=" %%i in ('dir /od /b *.*') do (

    set /a h+=1

    set m!h!=%%i

)

set /a sj=%random%%%%h%+1

call set var=%%m%sj%%%

echo %var%

pause

Last edited by jmz573515 on 2007-8-21 at 03:55 PM ]

set m!h!=%%i
set /a sj=%random%%%%h%+1
call set var=%%m%sj%%%
这三句一点都看不懂

Originally posted by jmz573515 at 2007-8-21 03:53 PM:

@echo off

setlocal enabledelayedexpansion

set h=0

for /f "delims=" %%i in ('dir /od /b *.*') do (

    set /a h+=1

    set m!h!=%%i

)

set /a sj=%random%%%%h%+1

call set var ...