$packEntry is a subroutine for packing an entry into binary form, called as
$dat = $packEntry($entry, $entryTable, $numEntries)
where the entry is a comma-separated list of nextStateOffset, flags, actions
To install PDF::API3, copy and paste the appropriate command in to your terminal.
cpanm
cpanm PDF::API3
CPAN shell
perl -MCPAN -e shell install PDF::API3
For more information on module installation, please visit the detailed CPAN module installation guide.