中国DOS联盟

@echo off

setlocal enabledelayedexpansion

:Main
cls
set /a num2=1024*1024
for %%i in (c d e f g h i j k l m n o p q r s t u v w x y z) do (
    set driver=%%i
    set num1=0
    set num3_str=
    set num4=
    for /f "tokens=3" %%j in ('dir /a /-c %%i:\ 2^>nul') do set num1=%%j
    if not "!num1!"=="0" (
        call :loop
        for /f "delims=0 tokens=*" %%k in ("!num3_str!") do set num3_str=%%k
        if not defined num3_str (
            echo.&echo        %%i 盘尚未被使用，具体空间无法查询&echo.
        ) else (
            echo.&echo        %%i 盘剩余空间为 !num3_str! MB&echo.
        )
    )
)
pause
goto Main

:loop
:: 求商
set /a num3=%num4%%num1:~0,1%/%num2%
:: 求商序列
set num3_str=%num3_str%%num3%
:: 求余
set /a num4=%num4%%num1:~0,1%%%%num2%
if %num4% equ 0 set num4=
set num1=%num1:~1%
if not "%num1%"=="" goto loop
goto :eof

@echo off
setlocal enabledelayedexpansion

>tmp.vbs echo result = wscript.arguments(1)/1024/1024
>>tmp.vbs echo Wscript.Echo wscript.arguments(0),"盘剩余空间为",result,"MB"

for %%i in (C D E F G H I J K L M N O P Q R S T U V W X Y Z) do (
    if exist %%i:\ (
        for /f "tokens=3" %%j in ('dir /-c %%i:\') do set num=%%j
    if not "%%j"=="0" cscript //nologo tmp.vbs %%i: !num!
))
del tmp.vbs
pause
exit

@echo off
>tmp.vbs echo result = wscript.arguments(1)/1024/1024
>>tmp.vbs echo Wscript.Echo wscript.arguments(0),"盘剩余空间为",result,"MB"

for %%i in (C D E F G H I J K L M N O P Q R S T U V W X Y Z) do (
    if exist %%i:\ (
        for /f "tokens=3" %%j in ('dir /-c %%i:\') do set num=%%j
    if not "%%j"=="0" call :loop %%i:
))
del tmp.vbs
pause
exit

:loop
cscript //nologo tmp.vbs %1 %num%
goto :eof