Check if this works.
var Merger = pdfe.CreateDocumentMerger();
var ProgressBar = pdfe.ProgressBar;
ProgressBar.max = pdfe.SelectedFiles.Count;
var MainPageIndex = 0;
for (var i = 0; i < pdfe.SelectedFiles.Count; i++) {
var File = pdfe.SelectedFiles(i);
var Filename = File.Filename;
pdfe.echo('Shuffling ' + Filename);
ProgressBar.position = i + 1;
var Pages = File.Pages;
ShuffledIndexesArray = createShuffledIndexesArray(Pages.Count);
for (var p = 0; p < ShuffledIndexesArray.length; p++) {
var Page = Pages(ShuffledIndexesArray[p]);
Merger.MergePage(Page);
}
var newFilename = Filename.substring(0, Filename.lastIndexOf('.')) + '_Shuffled.pdf';
Merger.EndAndSaveTo(newFilename);
pdfe.echo(' [OK]', 0, 1);
}
pdfe.echo('Done.');
/*https://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array
Randomize array in-place using Durstenfeld shuffle algorithm */
function shuffleArray(array) {
for (var i = array.length - 1; i > 0; i--) {
var j = Math.floor(Math.random() * (i + 1));
var temp = array[i];
array[i] = array[j];
array[j] = temp;
}
}
function createShuffledIndexesArray(N) {
var Indexes = [];
for (var i = 0; i < N; i++) {
Indexes.push(i);
}
shuffleArray(Indexes);
return Indexes
}
