I have never used it, but quickly browsing the documentation you linked in your post I found that you can use the 'pages' function:

$pagenumber = $pdf->pages

    Returns the number of pages in the document.

use PDF::API2;
my $pdf = PDF::API2->open('test_file.pdf');
print "'test_file.pdf' has " . $pdf->pages . " pages\n";
[download]

etm117,

anniyan is asking how to determine the number of images not pages within a PDF file.
CAM::PDF comes with a script called listimages.pl which you should look at anniyan.

Hope this helps.

Martin

Wow!, My bad... I hadn't had my first cup of coffee yet, and I must have read the word 'images' as 'pages'.

Sorry for the confusion anniyan

marto thanks thats wonderful. Just now i tested using listimages.pl and accomplished my job perfectly. Also thanks to etm117.

Regards,
Anniyan
(CREATED in HELL by DEVIL to s|EVILS|GOODS|g in WORLD)

What would be useful in your case would be the ability to cylce through all objects in the document and if the "Type" of the object is "XObject" and "Subtype" is "Image", then you know you have come across an image.

-imran