Traverse Child Folders with SSJS

traverseChildFolders.js

<script runat="server" language="javascript">

Platform.Load("core","1");

var prox = new Script.Util.WSProxy();

function traverseChildFolders(parentID) {

    var cols = ["ID","ParentFolder.ID","Name"];
    var filter = {Property: "ParentFolder.ID", SimpleOperator: "equals", Value: parentID};
    var opts = {};
    var props = {};
    var folderResults = prox.retrieve("DataFolder", cols, filter, opts, props);
    var folderArr = folderResults.Results

    for (var i = 0; i < folderArr.length; i++) {

        var folderObj = folderArr[i];

        if (folderObj.ParentFolder && folderObj.ParentFolder.ID === parentID) {

            // DO STUFF FOLDER-Y STUFF HERE

            traverseChildFolders(folderObj.ID);

        }

    }

}

// START WALKING HERE
var rootCategoryID = 111111
traverseChildFolders(rootCategoryID);

</script>