in reply to format file

Just in case janitors are busy right now... here's the OP, verbatim, and set off in a <blockquote </blockquote pair:

hi i have a file which contains the following:

11,1428969620,bill
42,1428969618,bob
34,1428969617,joe
55,1428969613,bill
22,1428969614,bob
what id like is: bill bob joe 1428969620 11 1428969618 42 1428969617 34 1428969613 55 1428969614 22 i have a basic perl ability, but im not sure where to start on this. Thanks