【bat】バッチファイルで拡張子ごとにファイルを自動仕分けする完全ガイド｜サブフォルダ再帰・除外リスト・ドライラン・ログ記録・コピー版まで

@echo off
setlocal enabledelayedexpansion

REM ===== 設定 =====
set "SRC=C:\Users\%USERNAME%\Downloads"
set "DEST=C:\sorted"
REM ================

if not exist "%DEST%" mkdir "%DEST%"

set COUNT=0
for %%F in ("%SRC%\*.*") do (
    if not "%%~xF"=="" (
        set "EXT=%%~xF"
        set "EXT=!EXT:~1!"
        REM 拡張子を小文字に統一（大文字小文字混在対策）
        for %%E in (!EXT!) do set "EXT=%%E"

        if not exist "%DEST%\!EXT!" mkdir "%DEST%\!EXT!"
        move "%%~fF" "%DEST%\!EXT!\" >nul 2>&1
        if !ERRORLEVEL! equ 0 (
            set /a COUNT+=1
            echo [移動] %%~nxF  →  !EXT!\
        ) else (
            echo [失敗] %%~nxF
        )
    )
)

echo.
echo 完了: %COUNT% 件のファイルを仕分けしました
endlocal

@echo off
setlocal enabledelayedexpansion

REM バッチファイル自身があるフォルダを仕分け対象にする
set "SRC=%~dp0"
REM 末尾の \ を除去
set "SRC=%SRC:~0,-1%"

set COUNT=0
for %%F in ("%SRC%\*.*") do (
    REM バッチファイル自身はスキップ
    if /i not "%%~xF"==".bat" (
        if not "%%~xF"=="" (
            set "EXT=%%~xF"
            set "EXT=!EXT:~1!"
            if not exist "%SRC%\!EXT!" mkdir "%SRC%\!EXT!"
            move "%%~fF" "%SRC%\!EXT!\" >nul
            set /a COUNT+=1
        )
    )
)
echo %COUNT% 件を仕分けしました
endlocal

@echo off
setlocal enabledelayedexpansion

set "SRC=C:\work\messy"
set "DEST=C:\work\sorted"

if not exist "%DEST%" mkdir "%DEST%"

set COUNT=0
for /r "%SRC%" %%F in (*.*) do (
    if not "%%~xF"=="" (
        set "EXT=%%~xF"
        set "EXT=!EXT:~1!"

        REM 仕分け先フォルダがない場合は作成
        if not exist "%DEST%\!EXT!" mkdir "%DEST%\!EXT!"

        REM 同名ファイルが仕分け先に存在する場合のリネーム
        set "DESTFILE=%DEST%\!EXT!\%%~nxF"
        if exist "!DESTFILE!" (
            set "DESTFILE=%DEST%\!EXT!\%%~nF_%%RANDOM%%%%~xF"
        )

        move "%%~fF" "!DESTFILE!" >nul
        set /a COUNT+=1
        echo [移動] %%~nxF  →  !EXT!\
    )
)

echo 完了: %COUNT% 件
endlocal

@echo off
setlocal enabledelayedexpansion

set "SRC=C:\Users\%USERNAME%\Downloads"
set "DEST=C:\sorted"

REM 仕分け対象の拡張子リスト（スペース区切り）
set "WHITELIST=jpg jpeg png gif mp4 mov pdf docx xlsx pptx zip"

if not exist "%DEST%" mkdir "%DEST%"

for %%F in ("%SRC%\*.*") do (
    if not "%%~xF"=="" (
        set "EXT=%%~xF"
        set "EXT=!EXT:~1!"

        REM ホワイトリストに含まれるか確認
        set "MATCH="
        for %%W in (%WHITELIST%) do (
            if /i "!EXT!"=="%%W" set "MATCH=1"
        )

        if defined MATCH (
            if not exist "%DEST%\!EXT!" mkdir "%DEST%\!EXT!"
            move "%%~fF" "%DEST%\!EXT!\" >nul
            echo [移動] %%~nxF  →  !EXT!\
        ) else (
            echo [スキップ] %%~nxF (対象外)
        )
    )
)
endlocal

@echo off
setlocal enabledelayedexpansion

set "SRC=C:\work"
set "DEST=C:\work\sorted"

REM 仕分け除外リスト（バッチ・設定・ログ等）
set "BLACKLIST=bat cmd ini log txt cfg lnk"

if not exist "%DEST%" mkdir "%DEST%"

for %%F in ("%SRC%\*.*") do (
    if not "%%~xF"=="" (
        set "EXT=%%~xF"
        set "EXT=!EXT:~1!"

        set "SKIP="
        for %%B in (%BLACKLIST%) do (
            if /i "!EXT!"=="%%B" set "SKIP=1"
        )

        if not defined SKIP (
            if not exist "%DEST%\!EXT!" mkdir "%DEST%\!EXT!"
            move "%%~fF" "%DEST%\!EXT!\" >nul
        )
    )
)
echo 仕分け完了
endlocal

@echo off
setlocal enabledelayedexpansion

set "SRC=C:\Users\%USERNAME%\Downloads"
set "DEST=C:\sorted"

REM ドライランフラグ判定
set "DRYRUN="
if /i "%~1"=="--dry-run" set "DRYRUN=1"
if defined DRYRUN (
    echo ========================================
    echo [ドライランモード] 実際には移動しません
    echo ========================================
)

set COUNT=0
set SKIP=0

for %%F in ("%SRC%\*.*") do (
    if not "%%~xF"=="" (
        set "EXT=%%~xF"
        set "EXT=!EXT:~1!"
        set "DESTDIR=%DEST%\!EXT!"

        if defined DRYRUN (
            echo [予定] %%~nxF  →  !DESTDIR!\
            set /a COUNT+=1
        ) else (
            if not exist "!DESTDIR!" mkdir "!DESTDIR!"
            move "%%~fF" "!DESTDIR!\" >nul
            if !ERRORLEVEL! equ 0 (
                echo [移動] %%~nxF  →  !EXT!\
                set /a COUNT+=1
            ) else (
                echo [失敗] %%~nxF
                set /a SKIP+=1
            )
        )
    )
)

if defined DRYRUN (
    echo.
    echo 移動予定: %COUNT% 件 （ドライランのため実際には移動していません）
    echo 本番実行するには引数なしで実行してください
) else (
    echo 移動完了: %COUNT% 件 / 失敗: %SKIP% 件
)
endlocal

@echo off
setlocal enabledelayedexpansion

set "SRC=C:\Users\%USERNAME%\Downloads"
set "DEST=C:\sorted"
set "LOGDIR=C:\logs\sort"

REM ログファイルを日付別に作成
for /f "tokens=1-3 delims=/" %%A in ("%DATE%") do set "LOGDATE=%%A%%B%%C"
set "LOGFILE=%LOGDIR%\%LOGDATE%.log"

if not exist "%DEST%" mkdir "%DEST%"
if not exist "%LOGDIR%" mkdir "%LOGDIR%"

echo [%DATE% %TIME%] ===== 仕分け開始 ===== >> "%LOGFILE%"

set COUNT=0
set FAIL=0

for %%F in ("%SRC%\*.*") do (
    if not "%%~xF"=="" (
        set "EXT=%%~xF"
        set "EXT=!EXT:~1!"
        if not exist "%DEST%\!EXT!" mkdir "%DEST%\!EXT!"

        move "%%~fF" "%DEST%\!EXT!\" >nul 2>&1
        if !ERRORLEVEL! equ 0 (
            set /a COUNT+=1
            echo [OK] [%TIME%] %%~nxF  →  !EXT!\ >> "%LOGFILE%"
        ) else (
            set /a FAIL+=1
            echo [NG] [%TIME%] %%~nxF (移動失敗) >> "%LOGFILE%"
        )
    )
)

echo [%DATE% %TIME%] 完了: 移動=%COUNT%件 失敗=%FAIL%件 >> "%LOGFILE%"
echo 仕分け完了: %COUNT% 件（ログ: %LOGFILE%）
endlocal

@echo off
setlocal enabledelayedexpansion

set "SRC=C:\work\originals"
set "DEST=C:\work\sorted_copy"

if not exist "%DEST%" mkdir "%DEST%"

set COUNT=0
for %%F in ("%SRC%\*.*") do (
    if not "%%~xF"=="" (
        set "EXT=%%~xF"
        set "EXT=!EXT:~1!"
        if not exist "%DEST%\!EXT!" mkdir "%DEST%\!EXT!"

        copy "%%~fF" "%DEST%\!EXT!\" >nul
        set /a COUNT+=1
        echo [コピー] %%~nxF  →  !EXT!\
    )
)

echo 完了: %COUNT% 件をコピーしました
endlocal

@echo off
setlocal enabledelayedexpansion

set "SRC=C:\work\originals"
set "DEST=C:\work\sorted_copy"

if not exist "%DEST%" mkdir "%DEST%"

for /r "%SRC%" %%F in (*.*) do (
    if not "%%~xF"=="" (
        set "EXT=%%~xF"
        set "EXT=!EXT:~1!"
        if not exist "%DEST%\!EXT!" mkdir "%DEST%\!EXT!"
        copy "%%~fF" "%DEST%\!EXT!\" >nul
    )
)
echo コピー仕分け完了
endlocal

@echo off
setlocal

set "SRC=C:\Users\%USERNAME%\Downloads"
set "DEST=C:\sorted"

REM ドライランなら --whatif を渡す
set "WHATIF="
if /i "%~1"=="--dry-run" set "WHATIF=-WhatIf"

powershell -NoProfile -ExecutionPolicy Bypass -Command "
    $src  = '%SRC%'
    $dest = '%DEST%'
    $whatif = '%WHATIF%'

    Get-ChildItem -Path $src -File | ForEach-Object {
        $ext = $_.Extension.TrimStart('.').ToLower()
        if ($ext -eq '') { $ext = 'no_ext' }
        $destDir = Join-Path $dest $ext
        if (-not (Test-Path $destDir)) { New-Item -ItemType Directory -Path $destDir | Out-Null }

        if ($whatif) {
            Write-Host "[予定] $($_.Name) -> $ext\\"
        } else {
            Move-Item -Path $_.FullName -Destination $destDir -Force
            Write-Host "[移動] $($_.Name) -> $ext\\"
        }
    }
"

endlocal

powershell -NoProfile -ExecutionPolicy Bypass -Command "
    $src  = 'C:\work'
    $dest = 'C:\sorted_large_images'

    Get-ChildItem -Path $src -File -Recurse |
    Where-Object { $_.Length -gt 1MB -and $_.Extension -match '\.(jpg|jpeg|png)$' } |
    ForEach-Object {
        $destDir = Join-Path $dest $_.Extension.TrimStart('.').ToLower()
        if (-not (Test-Path $destDir)) { New-Item -ItemType Directory -Path $destDir | Out-Null }
        Move-Item -Path $_.FullName -Destination $destDir
        Write-Host "[移動] $($_.Name) ($([math]::Round($_.Length/1MB,1)) MB)"
    }
"