As suggested i am trying to use CAM::PDF for extracting text from pdf and ppt documents. I installed CAM::PDF in my ubuntu sys and i run the following script.

!/usr/bin/perl

use strict;
use warnings;

use CAM::PDF;
use CAM::PDF::PageText;

my $filename = shift || die "Supply pdf on command line\n";

my $pdf = CAM::PDF->new($filename);

print text_from_page(1);

sub text_from_page {
my $pg_num = shift;

return
CAM::PDF::PageText->render($pdf->getPageContentTree($pg_num));
}
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when i run this code with page no set to 1. it brings all the text from 1page. But when i change the page to 2nd. It says the following.

Failed to open filter FlateDecode (Text::PDF::FlateDecode)
Unrecognized type in parseAny:
1 ڵZYs��~_�    V���%&
+#65533;����K�N��Q&#6
+5533;Jy��9$a...
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Why is that occurs.. plz anyone let me know..