[文件操作] 求文件随机分发批处理怎么写？

@echo off
set info=互助互利,支付宝扫码头像,感谢赞助
rem 有问题,可加QQ956535081及时沟通
title %info%
start mshta VBScript:Execute("msgbox(""%info%""):close")
cd /d "%~dp0"
set "数量=600"
powershell ^
    $files=@(dir^|?{($_ -is [System.IO.FileInfo]) -and ($_.Name -ne '%~nx0')});^
    $n=1;$list=get-random -input $files -count $files.length;^
    for($i=0;$i -lt $list.length;$i++){^
        if(-not (test-path -liter $n)){[void](md $n);};^
        write-host ($list[$i].Name+' --^> '+$n);^
        move -liter $list[$i].Name $n;^
        if((($i+1) %% %数量%) -eq 0){$n++;};^
    }
pause
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import os, random, sequtils

const 
    source = """D:\gayhub\test\测试a"""
    target = """D:\gayhub\test\测试b"""
    max = 600

var dirs:seq[string] = @[]

for k,p in walkDir(source):
    if k == pcFile:
        dirs.add(p)

randomize()
shuffle(dirs)

var count = 0

if dirs.len > max:
    if dirs.len mod max > 0:
        count = (dirs.len div max) + 1
    else:
        count = dirs.len div max
else:
    count = 1


var dist = dirs.distribute(count, false)

assert dist.len == count

for i, p in dist:
    var path =  target / $(i+1)
    discard existsOrCreateDir(path)
    for f in p:
        moveFile(f,path/extractFilename(f))
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