[文件操作] 批处理判断硬盘剩余空间再复制文件

$disk = (Gwmi -class win32_logicaldisk|?{$_.DeviceID -match 'D'}).Freespace / 1GB;
IF ($disk -gt 100) {Copy ref.txt -dest d:\ -force}else{Copy ref.txt -dest e:\ -Force}
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@echo off
Setlocal enabledelayedexpansion
for /f "skip=1 tokens=1-6" %%a in ('wmic logicaldisk get caption^,drivetype^,freespace') do (if "%%b"=="3" (set "size=%%c"
)
)
if %size% gtr 107374182400 (copy a.txt d:\) else (copy a.txt e:\)
pause
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if 5252222222222222222222222222222222222222222222229999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111177777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777772 lss 639 (echo yes) else echo no
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5252222222222222222222222222222222222222222222229999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111177777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777777772 -lt 693
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@echo off &Setlocal enabledelayedexpansion
for /l %%a in (1,1,30) do set mask=0!mask!
for /f "skip=1 tokens=1-6" %%a in ('wmic logicaldisk get caption^,drivetype^,freespace') do (
    if "%%a"=="D:" (
        set "DSize=%%c"
    )
)

echo free size %DSize%
set G100=%mask%107374182400
set DSize=%mask%%DSize%

if "%Dsize:~-30%" gtr "%G100:~-30%" (echo gtr 100G ) else (echo lss 100G)
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wmic logicaldisk where "freeSpace>107374182400" get name|find /i "D:"&&copy a.txt d:\||copy a.txt e:\
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