[文件操作] 获取指定路径下最新文件的信息

@echo off
for /f "delims=" %%i in ('dir /b /od "D:\bakup\*.bak" ') do (
    echo %%~fi %%~zi
)
pause
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@echo off
for /f "delims=" %%i in ('dir /b /od "D:\bakup\*.bak" ') do (
    set "FilePath=%%~fi"
    set "FileSize=%%~zi"
)
echo %FilePath%
echo %FileSize%
pause
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powershell -c "set-executionpolicy unrestricted"
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set-executionpolicy unrestricted
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dir * -r -File|%{if (($t-$_.CreationTime) -lt 0){$t=$_.CreationTime;$f=$_}  }
$flag=($f.Length -shr 30);
if ($**){$size=($f.Length / 1GB);$Unit='GB'} else { $size=($f.Length / 1MB); $Unit='MB'}
$size="{0:0.00}" -f $size
Write-Host $f.FullName ' -- ' $size $Unit -fore green
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PowerShell "(dir *.rar -Recurse|sort LastWriteTime)[-1]|select DirectoryName,Name,@{n='Size';e={($_.Length/1gb).ToString('0.00GB')}}"
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@echo off
for /f "delims=" %%i in ('dir /b /o-d /a-d *.rar') do (

    setlocal enabledelayedexpansion
    set "sz=%%~zi00"
    set "Rem=!sz:~0,8!"
    rem Div=被除数; Rem=余数; Quo=商; Ret=结果

    for /L %%j in (8 1 20) do (
        if not "!sz:~%%j!" == "" (
            set "Div=!Rem!!sz:~%%j,1!"
            set /a Rem = Div %% 134217728, Quo = Div / 134217728
            if "!Rem!" == "0" (set "Rem=")
            set "Ret=!Ret!!Quo!"
        )
    )

    set "Ret=000000000!Ret!"
    set /a "Ret = (1!Ret:~-9! - 1000000000) / 8"
    if !Ret! LSS 100 (set "Ret=000!Ret!" & set "Ret=!Ret:~-3!")

    for /f %%j in ("!Ret:~0,-2!.!Ret:~-2!") do (
        endlocal
        for %%k in ("%%~dpi.") do echo;%%~fk %%~nxi %%jGB
    )

    pause & exit /b
)
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@echo off
for /f "delims=" %%a in ('dir /a-d/b/o-d *.bak') do (
    if not defined filename (
        set "file=%%~fa"
        set "filepath=%%~dpa"
        set "filename=%%~nxa"
        set "filesize=%%~za"
    )
)
echo;%file%
echo;%filepath%
echo;%filename%
echo;%filesize% B
for /f %%a in (
    'mshta "VBScript:CreateObject("Scripting.Filesystemobject").GetStandardStream(1).Write(FormatNumber(%filesize%/1073741824,2,-1))(close)"'
) do set formatsize=%%a
echo;%formatsize% GB
pause
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