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  1. or download this
    ken@titan ~/tmp/www
$ perl -Mstrict -Mwarnings -Mautodie=:all -MCarp::Always -T -E '
...
    my $pdf = PDF::API2->new("some.pdf");
    $pdf->save("some.pdf");
'
  2. or download this
        my $pdf = PDF::API2->open("some.pdf");
  3. or download this
    ken@titan ~/tmp/www
$ file some.pdf
some.pdf: PDF document, version 1.4, 0 pages
  4. or download this
    delete @ENV{qw(IFS CDPATH ENV BASH_ENV)};   # Make %ENV safer