gistfile1.txt

    users = ["alefterra", "cultura45", "_a_rene", "donnawomack", "sylvaingranier", "labebaax3", "oti_gsxr750", "cuffedIICHUCKS_", "Tie_wasHere", "DaKidGirbaud", "Luismaquilarque", "mochiko406", "shurroxxx", "JOKKER1911", 
      "dlishdelicia420", "10minutenmail", "Its_KamBro", "_SimplyKristen", "BadAssLula", "ShySoFierce", "mich_fs", "UnderTyr", "alice_holdstock", "chklug", "jschlozman", "Lara_S23", "SnarkySookie", "Ahmedd3027", 
      "justReVay", "JavierRivmor", "PushStartMktg", "cjvibes", "theblackjoker1", "stropi_", "iioh3", "BertMccrakenfk", "el_ferno_10", "pussytoogood", "jasmin_327", "RCSFsAaa", "elmackio", "CourtStreetCard", 
      "furiousmidwife", "ncarr18", "Muhamed91", "n9200", "JulezMia", "StephBosten", "liquidstone321", "barbiellinas", "ShanRKurd7", "maoscolorida", "jevihax_OUT", "ambersworld619", "kayrenwelch", "JG_Fashionigger", 
      "makeupnbeautyy", "MsFancyLola", "TheLifeOf_Quis", "RJ_Dasilva", "fgcarg", "iAM_Arielle", "FT9Venezuela", "red_dread52", "Paipyy", "OnlyTrisha", "FazerLove_xx", "GriaNevaEmpty", "Ferdi11PR", "xStuckUpBitchh", 
      "orlando0910", "pussy_freak", "Raaasshh", "donna__h", "udie624_", "adamtalksF1", "tehOhalia", "billthebadass", "gracediva_", "TURK_1905", "Indycoop_22", "xoxo__Ceee", "tumbeast_", "SeanTeel", "ogtando", "jrmerriman", 
      "hartjelot", "ahnhyeon", "MckennasManiacs", "DaHights_Fin3st", "Shay_Bellas", "vl0_0l", "baeku_sh", "MissInez3", "hansol1278", "jazzyhoney_23", "riick_fashion", "Bazzle_0172", "Alxndrrr", "iLove_ANS"]
(find_by_users = users.collect{|user|User.find_by_screen_name(user)}.compact.uniq).length
(find_all_users = User.find(:all, :conditions => {:screen_name => users}).compact.uniq).length