Is there a way to count pages in an easy way?

Hi Laurent,

if you are interested in a script-only, high-complex code solution, look into this thread from 2017.

Note, that this is not directly a solution to your problem, but this solution could be added by two or three lines of code.

active page vs selected page
foltman, Jan 10, 2017

https://community.adobe.com/t5/indesign/active-page-vs-selected-page/m-p/8776559

My solution is presented here:

https://community.adobe.com/t5/indesign/active-page-vs-selected-page/m-p/8776565#M35095

But best read the whole thread to see how my idea evolved.

Regards,
Uwe Laubender

( ACP )

Hi Laurent,

it is tricky to get the number of pages selected in the Pages panel.

Even by scripting. But I solved this issue some years ago with ExtendScript (JavaScript).

But here is another way doing this in the UI plus a small script, just one line of code, to alert the number of pages selected. Let's see, do it in exactly this order:

[1] Select the Page Tool

[2] Select the pages in the Pages panel

The Page Tool reflects this by selecting the same pages in your layout throughout your document.

[3] Run the following ExtendScript (JavaScript) code to alert the number of selected objects:

alert( "Number of selected pages:" +"\r"+ app.selection.length );

Example:

Regards,
Uwe Laubender

( ACP )

I do not see like being able to select a range of pages in the pages window an get the number of pages selected. 

You could temporarily open the Pages>MovePages... dialog and subtract the page range numbers. Here I have 74 pages selected (192-118=72):

The Move Pages... menu item can be invoked via scripting, but I’m not sure if there is a way to get the dialog’s page range via a script

If you are just concerned about your document being multiples of a 16-page signature for the entire book (rather than each document), you could create a Preflight profile for the book. Change the number of pages to multiples of 16 and you will at least know there is a problem. You can then decide if you want to remove pages (anywhere in the document) or add pages at the end (such as "notes" pages). 

I'd use the Book Panel

Then you'd have separate documents/files for the 16 pages.

And you insert each file into the Book Panel.

That keeps each 16 pages in blocks. 

I'm assuming you don't want text to flow freely and some text that is supposed be in one type of paper doesn't automatically flow to a different type of paper?

If so - the book panel is perfect for you.

https://helpx.adobe.com/indesign/using/creating-book-files.html

*edit* alternate method

There might be a way to Script this - where it can apply a Colour Label to every 16 pages in order - so you'd have a visual colour of 16 page blocks in the pages panel.

You can do this manually by selection 16 pages and go to the Pages  panel sub menu

Window>Pages

You  might find this view easier to work with

Then 

Eventually your pages look like this

A script would be  faster but technically doesn't take long to do 320 pages manually.