ppl bday Manual Page
ppl bday - List, show or change birthdays
ppl bday ppl bday <contact> ppl bday <contact> <date>
With no arguments, the dates of birth of each contact in the address book are listed.
<contact> is specified, the date of birth of that contact is shown.
If both a
<contact> and a
<date> are given, then the date is stored as the
date of birth of that contact. The
<date> parameter must be a valid date
string parseable by Ruby’s
$ ppl bday jdoe 1970-01-01 $ ppl bday adam 1975-06-01 $ ppl bday jdoe 1970-01-01 $ ppl bday adam: 1975-06-01 jdoe: 1970-01-01