标题: 检测磁盘剩余空间代码提示找不到操作数?
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作者: emote
时间: 2008-1-31 12:19
标题: 检测磁盘剩余空间代码提示找不到操作数?
@echo off
setlocal enabledelayedexpansion
echo ╔═════════════════════════╗
echo ║ 磁盘分区 剩余空间(MB) ║
echo ║ ___________________________________________ ║
for %%d 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 %%d:\nul (
for /f "tokens=3" %%z in ('dir /-c %%d:\') do set freesize=%%z
set /a freesize=!freesize:~0,-3!/1024>nul
set freesize= !freesize!
echo ║ %%d: !freesize! ║))
echo ╚═════════════════════════╝
pause
问题出在哪?
(去掉 set /a freesize=!freesize:~0,-3!/1024>nul 后就没有上述提示,但不能以M显示剩余空间)
作者: emote
时间: 2008-1-31 16:22
发现当光驱中放有光盘时会有上述提示,如果不放有关盘则不检测光驱盘符及容量同时也没有上述提示,有什么方法可以让它不检测光驱,只对硬盘检测?
作者: fastslz
时间: 2008-1-31 16:55
搜下贴很多例子的
@echo off
setlocal enabledelayedexpansion
for /f "tokens=1,2 delims= " %%a in ('"wmic logicaldisk where DriveType="3" get DeviceID,FreeSpace|find /v "DeviceID""') do (
set Device=%%a
set Freesize=%%b
set /a Freesize=!Freesize:~0,-3!/1049
echo !Device! !Freesize!
)
pause