Have you looked at http://codegolf.stackexchange.com/ ? From what I understand, these are similar except it's more about doing things in the least amount of characters than lines.

For example, here's the 552 character Ruby code to print the lyrics of a song.

    i=44
    s="We; n7trangMsL8loT63Ke rules5s8d8I
    AJull commit4nt'sChatFKink: of6CHldn'tRetKisJrom<ny@Ruy-/A= if?<sk 42DS'tLE 4?;Lo8bli=L7ee..
    O,R1)O,R001)/-.."
    "
    I justCannaLE?2Gotta >u=Msta=.|
    Ng1Nlet? downNrun<rH=5desMt?N>cryNsayRoodbyeNtE< lie5hurt?|
    
    We'T3n each@Jor s8lSg6r hear9<ch: but6;Lo7hyL7BInsideCe both3Cha9Ro: S
    We3KeRa45we;QplB|1)O)NgiT, nPgiT
    (G|iT? up| howFJeel:
    | know|me|<= |
    YH|8s|o |t's been|ing|'re| a|nd|make? | yH| othM|A|ay it
    | w|D|ell| I'm|G|ou|I| f|Lh| t|er|
    NP|
    (Ooh|eTrQ|RSna | g|on|ve".scan(/[^|]+/){s.gsub!((i+=1).chr,$&)}
    puts s