2단계 크롤링

library(httr)
library(rvest)

res <- GET('http://news.naver.com/main/list.nhn?mode=LSD&mid=sec&sid1=001')
htxt <- html(res)
link <- html_nodes(htxt, 'div.list_body a')

article.href <- unique(html_attr(link, 'href'))
article.href
##  [1] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=366&aid=0000279912"
##  [2] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=236&aid=0000125547"
##  [3] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=213&aid=0000728746"
##  [4] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=091&aid=0004878138"
##  [5] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=022&aid=0002876268"
##  [6] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=410&aid=0000258345"
##  [7] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=077&aid=0002943149"
##  [8] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=077&aid=0002943148"
##  [9] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=077&aid=0002943147"
## [10] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=016&aid=0000796614"
## [11] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=015&aid=0003387365"
## [12] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=015&aid=0003387364"
## [13] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=076&aid=0002774751"
## [14] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=079&aid=0002732611"
## [15] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=079&aid=0002732610"
## [16] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=023&aid=0003013277"
## [17] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=023&aid=0003013276"
## [18] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=477&aid=0000011396"
## [19] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=018&aid=0003306877"
## [20] "http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=001&oid=018&aid=0003306876"

이 다음에 for 루프를 사용해서 링크에 있는 것들을 뽑아낸다.

for (href in article.href) { GET(href) }

이미지 가져오기

h <- html('http://gae9.com/trend/1DRlnSN7k1nb#!hot')

imgs <- html_nodes(h, 'div.trend-post-content img')
img.src <- html_attr(imgs, 'src')
img.src <- img.src[grep('ssproxy', img.src)]



for (src in 1:length(img.src))
{
  res <- GET(img.src[src])
  writeBin(content(res, 'raw'), sprintf('%03d.jpg', src))
}

날짜 처리 방법

strptime('2015.06.09 23:15', '%Y.%m.%d %H:%M')
## [1] "2015-06-09 23:15:00 KST"
strptime('2015-06-09 23:15', '%Y-%m-%d %H:%M')
## [1] "2015-06-09 23:15:00 KST"
strptime('2015.06.09 23:15', '%Y.%m.%d %H:%M', 'UTC')
## [1] "2015-06-09 23:15:00 UTC"
t <- strptime('2015.06.09 23:15', '%Y.%m.%d %H:%M')

ls(t)
##  [1] "gmtoff" "hour"   "isdst"  "mday"   "min"    "mon"    "sec"   
##  [8] "wday"   "yday"   "year"   "zone"
attributes(t)
## $names
##  [1] "sec"    "min"    "hour"   "mday"   "mon"    "year"   "wday"  
##  [8] "yday"   "isdst"  "zone"   "gmtoff"
## 
## $class
## [1] "POSIXlt" "POSIXt"
t$year
## [1] 115
t$mon ## 0월이 1월임
## [1] 5
t2 <- t


strftime(t, '%Y/%m/%d %H:%M')
## [1] "2015/06/09 23:15"
strftime(t, '%y/%m/%d %H:%M')
## [1] "15/06/09 23:15"
strftime(t, '%m/%d/%Y %H:%M')
## [1] "06/09/2015 23:15"
strftime(t, '%Y%m%d')
## [1] "20150609"
# https://en.wikipedia.org/wiki/List_of_tz_database_time_zones 참고

자바스크립트가 걸려있는 경우

comment.url <- 'http://www.inven.co.kr/common/board/comment.xml.php?dummy=1433931866095'


comment <- POST(comment.url,
               body=list(
                 comeidx=2152,
                 articlecode=19094,
                 sortorder='date',
                 act='list',
                 out='xml',
                 replynick='',
                 replyidx=0))

x <- xml(comment)

xml_text(xml_nodes(x, 'item o_comment'))
##  [1] "확성기&nbsp;템&nbsp;나왔네&nbsp;ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
##  [2] "이제&nbsp;저걸로&nbsp;애들이&nbsp;욕하겠구만 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
##  [3] "애.미&nbsp;애.비&nbsp;뒤짐&nbsp;얼래&nbsp;&lt;--&nbsp;냅두고&nbsp;옆까지만&nbsp;모자이크처리후&nbsp;공홈에&nbsp;업로드\n+&nbsp;확성기템&nbsp;출시\n\n=&nbsp;돈내고&nbsp;욕하세요 "                                                                                                                                                                                                                                                                                                                                                                                                                                           
##  [4] "ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ채팅게임인가요 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
##  [5] "메가폰&nbsp;ㅋㅋㅋ&nbsp;던파냐&nbsp;ㅋㅋㅋ "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
##  [6] "메가폰&nbsp;이&nbsp;나오넹&nbsp;ㅋㅋ.\n\n다른&nbsp;이야긴&nbsp;별로&nbsp;눈에&nbsp;들어오진&nbsp;않네 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
##  [7] "메이플&nbsp;확성기네.. "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
##  [8] "스킬&nbsp;버그는&nbsp;안잡고&nbsp;시답잖은것만&nbsp;해대고&nbsp;앉아있네 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
##  [9] "메가폰&nbsp;ㅋㅋ&nbsp;ㅅㅂ&nbsp;메이플이냐?&nbsp;ㅋㅋㅋㅋ "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
## [10] "한국&nbsp;신용이&nbsp;보이네?&nbsp;ㅋㅋ "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
## [11] "카발1에&nbsp;있는&nbsp;메가폰을&nbsp;보게&nbsp;될줄이야! "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
## [12] "하트비트&nbsp;메가폰&nbsp;ㅋㅋㅋㅋㅋㅋㅋ "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
## [13] "메가폰&nbsp;역시캐쉬네 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
## [14] "아&nbsp;&nbsp;무슨메가폰이냐ㅡㅡ&nbsp;확성기도아니고\n돈벌라고&nbsp;작정을햇네 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
## [15] "유저들이&nbsp;원하는건&nbsp;전체챗으로&nbsp;시덥잖은&nbsp;욕을&nbsp;해대는&nbsp;유저에&nbsp;대한&nbsp;처분이지\n채팅창&nbsp;개선이&nbsp;아닐텐데? "                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
## [16] "채팅관련&nbsp;처벌이&nbsp;사실상&nbsp;全無한&nbsp;상황인데&nbsp;저게&nbsp;나오면\n전체챗이&nbsp;아니라&nbsp;메가폰으로&nbsp;쌈박질&nbsp;하는애들&nbsp;200퍼&nbsp;나오겠지… "                                                                                                                                                                                                                                                                                                                                                                                                                                                
## [17] "웃고갑니다ㅋㅋㅋㅋ "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
## [18] "남용을&nbsp;방지하기&nbsp;위해&nbsp;T-cat&nbsp;상점에서&nbsp;구매?\n지나가던&nbsp;개가&nbsp;웃겠다. "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
## [19] "메가폰??&nbsp;어디서&nbsp;넥슨&nbsp;냄새가&nbsp;나는&nbsp;것&nbsp;같은데???&nbsp;킁킁 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
## [20] "블루홀&nbsp;:&nbsp;싸울거면&nbsp;돈&nbsp;내고&nbsp;싸워라 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
## [21] "에라이&nbsp;븅신&nbsp;불구홀&nbsp;한게이야\n너희&nbsp;진짜&nbsp;일하기싫치?&nbsp;와&nbsp;진짜&nbsp;이정도밖에&nbsp;안되니?\n채팅제재가&nbsp;그렇게&nbsp;어려워?\n\n아니&nbsp;어떡해&nbsp;이런개선안을&nbsp;만들고&nbsp;거기에&nbsp;또&nbsp;캐쉬템을&nbsp;만들생각을하냐?&nbsp;\n\n와....진짜&nbsp;너흰&nbsp;답없다&nbsp;\n한게이나&nbsp;불구홀이나&nbsp;똑같다&nbsp;븅신들....ㅉㅉ "                                                                                                                                                                                                                                         
## [22] "메가폰으로&nbsp;이벤트&nbsp;알림&nbsp;쓰더니만..&nbsp;다&nbsp;이걸&nbsp;위한&nbsp;밑밥이었나 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
## [23] "한게임이&nbsp;퍼블리싱한&nbsp;게임에서\n캐시템으로&nbsp;한게임이&nbsp;욕을&nbsp;많이&nbsp;먹지만\n계약만료돼고&nbsp;독립해서&nbsp;더&nbsp;한&nbsp;짓들을&nbsp;하는거보면\n이게&nbsp;한게임한테&nbsp;한&nbsp;수&nbsp;배운건지\n한게임이&nbsp;대타로&nbsp;욕을&nbsp;먹는건지&nbsp;알수가&nbsp;없다는 "                                                                                                                                                                                                                                                                                                                         
## [24] "아직&nbsp;독립안햇는데여?? "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
## [25] "한게임이&nbsp;퍼블리싱했다가&nbsp;계약만료된\n다른게임&nbsp;말하는건데요.. "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
## [26] "신던나오면&nbsp;공대장이나&nbsp;파장의&nbsp;오더에\n집중해야하는데&nbsp;메가폰&nbsp;도배에&nbsp;미스나면\n얼마나&nbsp;짜증날까..\n생각만해도&nbsp;깊은&nbsp;빡침이&nbsp;밀려옵니다. "                                                                                                                                                                                                                                                                                                                                                                                                                                        
## [27] "메가폰은&nbsp;그냥&nbsp;채팅탭&nbsp;위에&nbsp;스샷처럼&nbsp;나오는거&nbsp;아니에요?\n무슨&nbsp;메가폰이&nbsp;집정관&nbsp;알림처럼&nbsp;나온다고&nbsp;생각하시는건&nbsp;아니죠? "                                                                                                                                                                                                                                                                                                                                                                                                                                             
## [28] "메가폰&nbsp;아이템을&nbsp;사용하면,&nbsp;보고&nbsp;있는&nbsp;탭에&nbsp;관계&nbsp;없이&nbsp;모두에게&nbsp;노출되는&nbsp;메시지를&nbsp;작성할&nbsp;수&nbsp;있습니다. "                                                                                                                                                                                                                                                                                                                                                                                                                                                         
## [29] "<a href=\"http://images.hangame.co.kr/upload/coregame/TERA/homepage/2014/G.O%ED%86%B5%EC%8B%A0/%EC%B1%84%ED%8C%85%EC%B1%84%EB%84%90%EA%B0%9C%ED%8E%B8/20150527208.png\" target=\"_blank\">http://images.hangame.co.kr/upload/coregame/TERA/homepage/2014/G.O%ED%86%B5%EC%8B%A0/%EC%B1%84%ED%8C%85%EC%B1%84%EB%84%90%EA%B0%9C%ED%8E%B8/20150527208.png</a> "                                                                                                                                                                                                                                                                  
## [30] "저기&nbsp;파장&nbsp;알림은&nbsp;화면&nbsp;중앙에&nbsp;나오는거고\n메가폰은&nbsp;채팅창&nbsp;위에&nbsp;나오는건데요? "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
## [31] "집정관&nbsp;알림은&nbsp;설정창에&nbsp;체크해제라도&nbsp;가능하죠.\n팔아먹을려는&nbsp;심보에&nbsp;얘네가&nbsp;체크설정&nbsp;할거같아요? "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
## [32] "아무리&nbsp;눈이&nbsp;안좋아도&nbsp;채팅창&nbsp;위에&nbsp;나오는&nbsp;글이랑&nbsp;화면&nbsp;중앙에&nbsp;나오는글이랑&nbsp;헷깔릴수가&nbsp;있을까요? "                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
## [33] "집정관&nbsp;알림&nbsp;,&nbsp;파장알림&nbsp;,&nbsp;공대장&nbsp;알림&nbsp;=&gt;&nbsp;화면&nbsp;중앙에&nbsp;나옴\n메가폰&nbsp;=&gt;&nbsp;채팅탭위에&nbsp;스샷처럼&nbsp;스샷처럼&nbsp;스샷처럼&nbsp;스샷처럼&nbsp;스샷처럼&nbsp;나옴 "                                                                                                                                                                                                                                                                                                                                                                                           
## [34] "채팅창&nbsp;탭&nbsp;톱니바퀴&nbsp;위에&nbsp;톱니바퀴&nbsp;위에&nbsp;톱니바퀴&nbsp;위에&nbsp;톱니바퀴&nbsp;위에&nbsp;톱니바퀴&nbsp;위에&nbsp;톱니바퀴&nbsp;위에&nbsp;톱니바퀴&nbsp;위에&nbsp;톱니바퀴&nbsp;위에&nbsp;톱니바퀴&nbsp;위에&nbsp;톱니바퀴&nbsp;위에&nbsp;톱니바퀴&nbsp;위에&nbsp;톱니바퀴&nbsp;위에&nbsp;톱니바퀴&nbsp;위에 "                                                                                                                                                                                                                                                                                     
## [35] "제가&nbsp;화면중앙에&nbsp;나올거같다고&nbsp;말하진&nbsp;않았는데요 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
## [36] "그럼&nbsp;됬네요&nbsp;메가폰&nbsp;도배에&nbsp;미스날일도&nbsp;없이\n화면중앙에&nbsp;나오는&nbsp;파장알림만&nbsp;보면&nbsp;되니깐 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
## [37] "이넘들한테&nbsp;백번양보해서&nbsp;채팅탭위에\n메가폰&nbsp;한&nbsp;줄은&nbsp;좋다이겁니다.\n근데&nbsp;과연&nbsp;각각의&nbsp;채팅탭에서\n키고끌수&nbsp;있게&nbsp;하느냐는\n유저들&nbsp;반응을&nbsp;일주일간&nbsp;지켜볼요량으로\n지금&nbsp;떡밥을&nbsp;던져놓은거죠. "                                                                                                                                                                                                                                                                                                                                                         
## [38] "보고&nbsp;있는&nbsp;탭에&nbsp;관계&nbsp;없이&nbsp;모두에게&nbsp;노출되는&nbsp;메시지를&nbsp;작성할&nbsp;수&nbsp;있습니다.\n무슨&nbsp;텝을&nbsp;키든지간에&nbsp;탭위에&nbsp;켜져있는&nbsp;메가폰&nbsp;메세지를&nbsp;볼수있습니다.\n채팅내용안&nbsp;메가폰&nbsp;내용을&nbsp;못끄게하면&nbsp;그건&nbsp;병신인듯 "                                                                                                                                                                                                                                                                                                               
## [39] "이쯤되면&nbsp;피해망상도&nbsp;극에&nbsp;달하는구만 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
## [40] "폭주한지식&nbsp;댓글&nbsp;ㄴㄴ해 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
## [41] "차단목록이늘어나겠군&nbsp;귀찮아서&nbsp;잘안했는데 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
## [42] "메가폰이라니ㅋㅋ&nbsp;돈슨&nbsp;따라하나...ㅋㅋ "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
## [43] "복귀자&nbsp;가이드&nbsp;좋지&nbsp;지금&nbsp;인던&nbsp;관련&nbsp;도움말도&nbsp;좋아\n이제&nbsp;전장&nbsp;도움말도&nbsp;추가할&nbsp;때라고&nbsp;본다\n포화&nbsp;크리부터&nbsp;시작하자.&nbsp;&nbsp;기본용어,&nbsp;전술&nbsp;가이드까지&nbsp;있으면&nbsp;더&nbsp;좋고 "                                                                                                                                                                                                                                                                                                                                                         
## [44] "메가폰&nbsp;이용자&nbsp;닥차단합시다. "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
## [45] "이런&nbsp;편의위주의&nbsp;UI&nbsp;개편은&nbsp;얼마든지&nbsp;환영합니다.\n다만&nbsp;확성기는&nbsp;유심히&nbsp;지켜봐야&nbsp;할&nbsp;듯&nbsp;하네요. "                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
## [46] "메가폰도&nbsp;끌수있게해주세여&nbsp;^^ "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
## [47] "장사하려면&nbsp;티캣&nbsp;내라.. "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
## [48] "쓸데없는거&nbsp;건드려서&nbsp;없던&nbsp;버그나&nbsp;만들지&nbsp;마라.스킬쿨&nbsp;버그,&nbsp;쿨&nbsp;돌았는데도&nbsp;스킬&nbsp;안나가는&nbsp;버그,확장&nbsp;슬롯&nbsp;사용시&nbsp;일부스킬&nbsp;사용불능&nbsp;버그&nbsp;등등..고칠거나&nbsp;고치고&nbsp;사고를&nbsp;치던가. "                                                                                                                                                                                                                                                                                                                                                 
## [49] "우린&nbsp;잊고있었다&nbsp;한겜은&nbsp;결코&nbsp;넥슨과&nbsp;지향하는\n캐시방향이&nbsp;살짝&nbsp;다를뿐\n다를바&nbsp;없다는걸 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
## [50] "UI&nbsp;그만&nbsp;좀&nbsp;손대지..에휴 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
## [51] "메가폰&nbsp;심하게&nbsp;비싼것만&nbsp;아니면&nbsp;거래창&nbsp;진상들&nbsp;좀&nbsp;없어질거같은데? "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
## [52] "는&nbsp;버그나좀&nbsp;고쳐 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
## [53] "힐러부터&nbsp;살려줘 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
## [54] "이새기들은&nbsp;진짜&nbsp;뭐가&nbsp;먼전지&nbsp;중요한지를&nbsp;모르는구나...\n노답새기들 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
## [55] "단축키&nbsp;설정&nbsp;해&nbsp;놓으면&nbsp;계정으로&nbsp;저장하게&nbsp;못하나&nbsp;?\n\n매번&nbsp;캐릭터&nbsp;만들때&nbsp;마다&nbsp;단축키&nbsp;새로&nbsp;설정해주는거도&nbsp;큰&nbsp;일이다. "                                                                                                                                                                                                                                                                                                                                                                                                                               
## [56] "파티챗&nbsp;등에&nbsp;방해된다고&nbsp;그냥&nbsp;기본옵션만&nbsp;전챗/거래&nbsp;안보이게&nbsp;한다는거&nbsp;같은데\n문제는&nbsp;전챗/거래&nbsp;하는&nbsp;도중에&nbsp;올라오는&nbsp;도배/욕설이&nbsp;없어져야되는거&nbsp;아님?\n\n진지하게&nbsp;궁금한건데\n길드/파티/공대창&nbsp;따로&nbsp;떼놓고&nbsp;보는&nbsp;사람이&nbsp;그렇게&nbsp;적나?\n이런&nbsp;웃기지도&nbsp;않은&nbsp;패치를&nbsp;하게? "                                                                                                                                                                                                                         
## [57] "열혈강호의&nbsp;사자후&nbsp;시스템이&nbsp;생각나네..&nbsp;<br/>월드&nbsp;채팅을&nbsp;돈&nbsp;내고&nbsp;하라는거네. "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
## [58] "망햇노.. "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
## [59] "욕도&nbsp;돈내고&nbsp;해야하네&nbsp;ㅋㅋㅋㅋ<br/><br/>일단&nbsp;전&nbsp;대만족 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
## [60] "칭찬할건&nbsp;칭찬하고싶음\n개인적으로&nbsp;개인채팅채널탭은&nbsp;진짜&nbsp;개선잘했다고&nbsp;생각함.\n나와봐야알겠지만&nbsp;만약에&nbsp;오른쪽이&nbsp;개인채널에&nbsp;들어와있는사람&nbsp;현황을&nbsp;알려주는거면&nbsp;첩자나&nbsp;눈팅족&nbsp;금방&nbsp;알아낼거라&nbsp;생각함.\n\n다만&nbsp;패치후&nbsp;과거처럼&nbsp;UI렉이&nbsp;생길까봐&nbsp;무서운것도&nbsp;있음\n그냥&nbsp;[./개인채널&nbsp;현황]&nbsp;명령어&nbsp;하나주고&nbsp;몇명&nbsp;접속해있고&nbsp;누구누구접속해있는지&nbsp;\n텍스트로&nbsp;뿌려주면&nbsp;렉이&nbsp;덜할거같기도&nbsp;해서&nbsp;아쉬움이&nbsp;있지만&nbsp;개선했다는것만으로도&nbsp;감동. "
## [61] "그래서&nbsp;그&nbsp;개인채널보다&nbsp;급한게&nbsp;없음?&nbsp;것도&nbsp;아주&nbsp;기본적인&nbsp;버그수정이&nbsp;개인채널보다&nbsp;우선순위가&nbsp;아니라는게&nbsp;상식적으로&nbsp;말이된다고&nbsp;생각하시나요?&nbsp;칭찬할&nbsp;일일까요? "                                                                                                                                                                                                                                                                                                                                                                                  
## [62] "센치/&nbsp;보통&nbsp;회사들이&nbsp;돌아가는&nbsp;프로세스가&nbsp;일마다&nbsp;담당자들이&nbsp;다&nbsp;달라서&nbsp;버그수정하는&nbsp;사람&nbsp;따로,&nbsp;이런거&nbsp;만드는&nbsp;사람&nbsp;따로일듯&nbsp;합니다.&nbsp;버그수정할때까지&nbsp;다른&nbsp;개발자들이&nbsp;놀면서&nbsp;기다리는&nbsp;것도&nbsp;아닌데&nbsp;이런&nbsp;건&nbsp;칭찬해줘야되는게&nbsp;아닌가&nbsp;싶음요.. "                                                                                                                                                                                                                                          
## [63] "센치//\n\n칭찬해야할건&nbsp;칭찬해야지 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
## [64] "메이플스토리가&nbsp;부러웠나보다 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
## [65] "버그라도&nbsp;먼저&nbsp;고쳐주던가&nbsp;시팍~~&nbsp;쓸데&nbsp;없는&nbsp;짓거리는&nbsp;졸라게&nbsp;잘해요&nbsp;~ "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
## [66] "다좋은데&nbsp;메가폰은&nbsp;진짜&nbsp;싫다 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
## [67] "테라쁠스토리!전채채팅하고싶으면&nbsp;메가폰으로!물논!&nbsp;공짜는아닙니다!돈만내시면&nbsp;누구나&nbsp;당신의&nbsp;쌍욕을&nbsp;감상할수있습니다! "                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
## [68] "메가폰!?&nbsp;돈g랄을&nbsp;싸요&nbsp;아주그냥-ㅁ- "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
## [69] "티켓&nbsp;넘치는&nbsp;애들의&nbsp;채팅용 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
## [70] "자...저거&nbsp;도배로&nbsp;엄청&nbsp;올라올거임..\n그것도&nbsp;다른내용이&nbsp;아니라&nbsp;서로&nbsp;싸우는내용으로.. "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
## [71] "슈밤..&nbsp;3일전에&nbsp;복귀&nbsp;했는데..&nbsp;이제&nbsp;축제&nbsp;하고&nbsp;있었는데&nbsp;ㅂㄷㅂㄷ "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
## [72] "인간적으로&nbsp;안보이도록&nbsp;끌&nbsp;수는&nbsp;있게&nbsp;해줘야&nbsp;하는거&nbsp;아닌가... "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
## [73] "패치해줘도&nbsp;난리 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
## [74] "쓸데없는&nbsp;걸&nbsp;해주니까&nbsp;난리<br/><br/><br/>채팅창&nbsp;욕&nbsp;좀&nbsp;못하게&nbsp;해주세요!<br/>그럼&nbsp;돈&nbsp;내고&nbsp;욕하세요!<br/><br/>ㅇ_ㅇa??? "                                                                                                                                                                                                                                                                                                                                                                                                                                                      
## [75] "UI손대면&nbsp;버그생겨서&nbsp;임시점검때리겠지&nbsp;ㅋㅋ "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
## [76] "이거&nbsp;그래도&nbsp;나름개념패치아닌가\n전쳇개판이였던&nbsp;사실이고\n\n이제&nbsp;악성욕설유저들&nbsp;제제좀&nbsp;가하자 "                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
## [77] "메가폰ㅋㅋㅋ "

셀레늄 쓰기

install.packages(‘RSelenium’)

library(RSelenium)
## Loading required package: RCurl
## Loading required package: bitops
## Loading required package: RJSONIO
## Loading required package: XML
## 
## Attaching package: 'XML'
## 
## The following object is masked from 'package:rvest':
## 
##     xml
checkForServer()
startServer()

firefox <- remoteDriver(browserName = 'firefox')
firefox$open()
## [1] "Connecting to remote server"
## $applicationCacheEnabled
## [1] TRUE
## 
## $rotatable
## [1] FALSE
## 
## $handlesAlerts
## [1] TRUE
## 
## $databaseEnabled
## [1] TRUE
## 
## $version
## [1] "36.0.4"
## 
## $platform
## [1] "WINDOWS"
## 
## $nativeEvents
## [1] FALSE
## 
## $acceptSslCerts
## [1] TRUE
## 
## $webdriver.remote.sessionid
## [1] "299604fe-67cf-4f8b-a3db-7c9947b6f537"
## 
## $webStorageEnabled
## [1] TRUE
## 
## $locationContextEnabled
## [1] TRUE
## 
## $browserName
## [1] "firefox"
## 
## $takesScreenshot
## [1] TRUE
## 
## $javascriptEnabled
## [1] TRUE
## 
## $cssSelectorsEnabled
## [1] TRUE
## 
## $id
## [1] "299604fe-67cf-4f8b-a3db-7c9947b6f537"
firefox$navigate('http://www.seleniumhq.org/')
menu.download <- firefox$findElement('css selector', '#menu_projects a')
menu.download$clickElement()

h <- html(firefox$getPageSource()[[1]])
html_nodes(h, '#menu_download a')
## [[1]]
## <a title="Get Selenium" href="/download/">Download</a> 
## 
## attr(,"class")
## [1] "XMLNodeSet"

다음 댓글 가져오기

댓글을 가져올 페이지의 주소

url <- 'http://media.daum.net/society/others/newsview?newsId=20150609204221852&rMode=list&allComment=T'

# Selenium을 사용합니다

library(RSelenium)
checkForServer()
startServer()

# 파이어폭스로 댓글 페이지를 엽니다

firefox <- remoteDriver()
firefox$open()
## [1] "Connecting to remote server"
## $applicationCacheEnabled
## [1] TRUE
## 
## $rotatable
## [1] FALSE
## 
## $handlesAlerts
## [1] TRUE
## 
## $databaseEnabled
## [1] TRUE
## 
## $version
## [1] "36.0.4"
## 
## $platform
## [1] "WINDOWS"
## 
## $nativeEvents
## [1] FALSE
## 
## $acceptSslCerts
## [1] TRUE
## 
## $webdriver.remote.sessionid
## [1] "8547c6ba-c8cf-43d5-a0ba-1ef109e2ac44"
## 
## $webStorageEnabled
## [1] TRUE
## 
## $locationContextEnabled
## [1] TRUE
## 
## $browserName
## [1] "firefox"
## 
## $takesScreenshot
## [1] TRUE
## 
## $javascriptEnabled
## [1] TRUE
## 
## $cssSelectorsEnabled
## [1] TRUE
## 
## $id
## [1] "8547c6ba-c8cf-43d5-a0ba-1ef109e2ac44"
firefox$navigate(url)

# 미디어다음은 기사 페이지에서 프레임을 통해 댓글 페이지를 보여줍니다. 
# 페이지 소스를 가져와 html로 해석하고 iframe을 찾습니다. 
# 5번째 iframe의 src 어트리뷰트가 실제 댓글 페이지의 주소입니다

src <- firefox$getPageSource()[[1]]
h <- html(src)
comment.url <- html_attr(html_nodes(h, 'iframe'), 'src')[5]

#파이어폭스에서 실제 댓글 페이지를 열어서 페이지 소스를 가져와 html로 해석합니다

firefox$navigate(comment.url)
src <- firefox$getPageSource()[[1]]
h <- html(src)

# 댓글이 담겨있는 span.content를 찾아 텍스트를 추출합니다

html_text(html_nodes(h, 'span.content'))
## character(0)