libical-parser-perl 1.21-1 (armhf binary) in ubuntu eoan

 iCal::Parser is a Perl module that processes iCalendar (vCalendar 2.0) files
 as specified in RFC 2445 into a Perl data structure. It handles several key
 features, including recurrences, exclusions, event updates and nested data
 structures (attendees and valarms).