[文件操作] [已解决]批处理如何修改二级目录下的pdf文件名？

@cd /d %~dp0 & powershell -command "Get-Content '%~0' | Select-Object -Skip 1 | Out-String | Invoke-Expression" & pause & exit/b

Get-ChildItem -Path . -Directory | ForEach-Object {
	$fName = $_.Name
	Push-Location $_
	$i = 0
	Get-ChildItem -Path . -File | Sort-Object {
		( $_.basename -replace "${fName}-","" ) -as [int]
		} | ForEach-Object {
		$i++
		$NameNew = "${fName}-$i" + $_.Extension
		$_.Name + " " + $NameNew
		#Rename-Item $_ $NameNew
	}
	Pop-Location
}
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@cd /d %~dp0 & powershell -command "Get-Content '%~0' | Select-Object -Skip 1 | Out-String | Invoke-Expression" & pause & exit/b

Get-ChildItem -Path . -Directory | ForEach-Object {
	$fName = $_.Name
	Push-Location $_
	$i = 0
	Get-ChildItem -Path . -File | Sort-Object {
		( $_.BaseName -replace "${fName}-(\d+).*","`$1" ) -as [int]
		} | ForEach-Object {
		$i++
		$NameNew = "${fName}-$i" + ( $_.BaseName -replace "${fName}-(\d+)","" ) + $_.Extension
		$_.Name + "    " + $NameNew
		#Rename-Item $_ -NewName $NameNew
	}
	Pop-Location
}
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@echo off
for /f "delims=" %%i in ('dir /b /ad') do (
    pushd "%%i"
    setlocal enabledelayedexpansion
    for /f "tokens=2* delims=-" %%a in ('dir /b /a-d *.pdf') do (
        set str=%%b
        set /a n=str
        if !n! gtr 0 (
            if !n! lss 10 (
                set _a_!n!=!str:~1!
            ) else if !n! lss 100 (
                set _b_!n!=!str:~2!
            ) else if !n! lss 1000 (
                set _c_!n!=!str:~3!
            )
        )
    )
    for /f "tokens=2* delims=_=" %%a in ('set _') do (
        set /a m+=1
        ren "%%i-%%a%%b" "%%i-!m!%%b"
    )
    endlocal
    popd
)
pause
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