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wmic logicaldisk where caption="%usbdisk%" get size,freespace,caption | findstr /v /i "caption">%tmp%\disksize.tmp
for /f "tokens=2" %%a in (%tmp%\disksize.tmp) do set diskfreesize=%%a%~nx1set diskfreesize=%%a%~nx1set /a diskfreesize=%%a%~nx1
Originally posted by HAT at 2008-8-25 09:23 PM:
大数据还是调用vbs来计算吧
@echo off
for /f "tokens=2 delims==" %%a in ('wmic LogicalDisk where "DriveType='2'" get * /value ^| findstr /i "^size"') do set total=%%a
echo U盘总容量: %total%
>"%tmp%\cacl.vbs" echo wscript.echo %total%/2
for /f %%a in ('cscript /nologo "%tmp%\cacl.vbs"') do echo U盘总容量的一半: %%aOriginally posted by HAT at 2008-8-26 12:31 AM:
下面是以前搞的计算U盘总容量的二分之一的代码，是调用VBS计算的，你看看能否参照这个写出你自己的代码，如果不行，再提问。
@echo off
for /f ...
@echo on
for /f "tokens=2 delims==" %%a in ('wmic LogicalDisk where "DriveType='2'" get * /value ^| findstr /i "^size"') do set total=%%a
echo U盘总容量: %total%
>"%tmp%\cacl.vbs" echo wscript.echo %total%/1048576
for /f %%a in ('cscript /nologo "%tmp%\cacl.vbs"') do set /a size=%%a
echo U盘总容量: %size%MB
del %tmp%\cacl.vbsC:\>set /a size=1927.71875
运算符不存在。>"%tmp%\cacl.vbs" echo wscript.echo %total%/1048576
@echo off
for /f "tokens=2 delims==" %%a in ('wmic LogicalDisk where "DriveType='2'" get * /value ^| findstr /i "^size"') do set
total=%%a
>"%tmp%\cacl.vbs" echo wscript.echo left(%total%/(1024^^3),3)
for /f %%a in ('cscript /nologo "%tmp%\cacl.vbs"') do echo U盘总容量: %%aG
pause
@echo on
for /f "tokens=2 delims==" %%a in ('wmic LogicalDisk where "DriveType='2'" get * /value ^| findstr /i "^size"') do set total=%%a
echo U盘总容量: %total%
>"%tmp%\cacl.vbs" echo wscript.echo int(%total%/1048576)
for /f %%a in ('cscript /nologo "%tmp%\cacl.vbs"') do set /a size=%%a
echo U盘总容量: %size%MB
del %tmp%\cacl.vbs