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use Text::FromAny;

...
my $obj      = Text::FromAny->new(file => $pdf_file);
my $text     = $obj->text;    
print $text;

use CAM::PDF;

...
my $txt      = $obj->getPageText(1);
CAM::PDF->asciify(\$txt);       # same results without this statement.
print $txt;

use CAM::PDF;
use CAM::PDF::PageText;
...
my $txt      = CAM::PDF::PageText->render($tree);
CAM::PDF->asciify(\$txt);       # same results without this statement.
print $txt;