This is Perl module Imager::ExifOrientation. INSTALLATION Imager::ExifOrientation installation is straightforward. If your CPAN shell is set up, you should just be able to do % cpan Imager::ExifOrientation Download it, unpack it, then build it as per the usual: % perl Makefile.PL % make && make test Then install it: % make install DOCUMENTATION Imager::ExifOrientation documentation is available as in POD. So you can do: % perldoc Imager::ExifOrientation to read the documentation online with your favorite pager. Kazuhiro Osawa