@echo off
REM 1. 下载并安装 ImageMagick 这个命令行工具
REM https://imagemagick.org/script/download.php#windows
REM 2. 根据自己电脑实际安装路径设置以下临时环境变量
set "path=C:\Program Files\ImageMagick;%path%"

REM 设置待处理的图片所在的文件夹
set "PictureFolder=C:\Test"
REM 只处理指定宽和高的图片
set "OldPixel=1500x1500"
REM 处理之后的宽和高
set "NewPixel=800x800"

pushd "%PictureFolder%"
set "NewFolder=%TargetPixel%"
if not exist "%NewFolder%" (
    md "%NewFolder%"
)
for /f "delims=" %%i in ('dir /b /a-d *.jpg') do (
    identify.exe -format "%%[w]x%%[h]" "%%i" | findstr "%NewPixel%" >nul 2>&1
    if not errorlevel 1 (
        move "%%i" "%NewFolder%"
    )
)
popd

mogrify.exe "%PictureFolder%\%NewFolder%\*.jpg" -resize %NewPixel% "%PictureFolder%\%NewFolder%\*.jpg"
pause
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