var x=new Array(); var idx=new Array(); function myFunction() { var folder = DriveApp.getFolderById("1owVocvBtdosVK-widZj8OZBCzj2JLPeI"); var con = folder.getFiles(); sx=0; while(con.hasNext()) { file = con.next(); sx=sx+1; de=file.getId(); x[sx]=file.getName(); idx[sx]=de; } num=sx; Logger.log(idx[10]); zz="1eZuY88Ti2tstQ2cIRzlD9XOndcLkZ9YK"; for(i=1;i<num+1;i++){ var zzz = DriveApp.getFolderById(zz); var dd = DriveApp.getFileById(idx[i]); zzz.addFile(dd); } }