flashercs

0<1/*,:
@echo off
REM 功能：将目录下的文件按指定数量组合并拷贝到目标目录
REM 设置文件搜索目录路径
set srcdir="e:\test\new folder"
REM 设置输出文件所在目录路径
set dstdir="e:\test\new folder\new"
REM 设置文件组合的数量
set count=7
cscript -nologo -e:jscript %0 /srcdir:%srcdir% /dstdir:%dstdir% /count:%count%
pause
exit /b
*/
;
var fso = new ActiveXObject('Scripting.FileSystemObject');
var srcdir = WScript.Arguments.Named('srcdir');
var dstdir = WScript.Arguments.Named('dstdir');
var count = parseInt(WScript.Arguments.Named('count'));
if (isNaN(count)) {
  showError('count 不是数字');
  WScript.Quit(1);
}
try {
  var folder = fso.getFolder(srcdir);
} catch (e) {
  showError(srcdir + ' 不存在');
  WScript.Quit(2);
}

if (!fso.FolderExists(dstdir)) {
  try {
    fso.CreateFolder(dstdir);
  } catch (e) {
    showError('无法创建目录：' + dstdir);
    WScript.Quit(3);
  }
}

for (var arrFiles = [], colFiles = new Enumerator(folder.Files); !colFiles.atEnd(); colFiles.moveNext()) {
  arrFiles.push(colFiles.item());
}
for (var arrComb = combination(arrFiles, count), i = 0, l = arrComb.length; i < l; i++) {
  try {
    var currdir = fso.BuildPath(dstdir, String(i + 1));
    if (!fso.FolderExists(currdir)) {
      fso.CreateFolder(currdir);
    }
    var arrCombMember = arrComb[i];
    for (var j = arrCombMember.length - 1; j >= 0; j--) {
      arrCombMember[j].Copy(currdir + '\\', true);
      WScript.Echo(arrCombMember[j].Path + ' >> ' + currdir);
    }
  } catch (e) {
    WScript.Echo('Error:' + currdir);
  }
}

function combination(arr, n) {
  var arrA = [];
  if (0 === n) return [
    []
  ];
  if (n >= arr.length) {
    arrA.push(arr);
    return arrA;
  }
  for (var i = 0, k = arr.length - n + 1; i < k; i++) {
    for (var j = 0, t = combination(arr.slice(i + 1), n - 1), l = t.length; j < l; j++) {
      t[j].unshift(arr[i]);
      arrA.push(t[j]);
    }
  }
  return arrA;
}

function showError(err, source) {
  WScript.Echo('[object Error]' === Object.prototype.toString.call(err) ? [
      err.name,
      'source: ' + (undefined === source ? '' : source),
      'number: ' + (err.number >>> 0).toString(16),
      'equipment: ' + (err.number >> 16 & 0x1FFF),
      'code: ' + (err.number & 0xFFFF),
      'Information: ' + err.message
    ].join('\n') :
    err);
}
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