/*&cls&echo off&cd /d "%~dp0"&mode con lines=5000
set "minsec=60"
set "oldfolder=E:\父文件夹"
set "newfolder=%oldfolder%_循环"
if not exist "%oldfolder%" (echo;"%oldfolder%" 未找到&goto end)
for /f "delims=" %%a in ('dir /a-d-h/b/s "%oldfolder%\*.mp4"') do (
    for /f "tokens=1,2,3,4 delims=|" %%a in ('ffmpeg -i "%%a" 2^>^&1^|cscript -nologo -e:jscript "%~f0" "%minsec%" "%%a" "%oldfolder%" "%newfolder%"') do (
        if not exist "%%~dpd" md "%%~dpd"
        echo;duration=%%a
        echo;concat=%%b
        echo;filelist=%%c
        echo;output="%%d"
        echo;---------------------
        ffmpeg -hide_banner -y %%c -filter_complex "[0:0][0:1][1:0][1:1]concat=n=%%b:v=1:a=1" "%%d"
        echo;=================================
        echo;
        echo;
    )
)
:end
pause
exit
*/
var fso=new ActiveXObject('Scripting.FileSystemObject');
var minsec=Number(WSH.Arguments(0));
var s=0;
while(!WSH.StdIn.AtEndOfStream){
    var line=WSH.StdIn.ReadLine();
    var m=line.match(/ Duration *: *(\d+):(\d+):(\d+)/);
    if(m){
        s=3600*Number(m[1])+60*Number(m[2])+1*Number(m[3]);
        break;
    }
}
if(s>0){
    var arr=[];
    t=Math.ceil(minsec/s);
    for(var i=1;i<=t;i++){
        var f='-i "'+WSH.Arguments(1)+'"';
        arr.push(f);
    }
    var filelist=arr.join(' ');
    var newfile=WSH.Arguments(3)+WSH.Arguments(1).substring(WSH.Arguments(2).length);
    WSH.echo(s.toString()+'|'+arr.length.toString()+'|'+filelist+'|'+newfile)
}
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set "oldfolder=E:\父文件夹"
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