使用 RCurl 包的标准刮削方法

我们尝试提取 imdb 顶级图表电影和评级

R> library(RCurl)
R> library(XML)
R> url <- "http://www.imdb.com/chart/top"
R> top <- getURL(url)
R> parsed_top <- htmlParse(top, encoding = "UTF-8")
R> top_table <- readHTMLTable(parsed_top)[[1]]
R> head(top_table[1:10, 1:3])

Rank & Title IMDb Rating
1 1. The Shawshank Redemption (1994) 9.2
2 2. The Godfather (1972) 9.2
3 3. The Godfather: Part II (1974) 9.0
4 4. The Dark Knight (2008) 8.9
5 5. Pulp Fiction (1994) 8.9
6 6. The Good, the Bad and the Ugly (1966) 8.9
7 7. Schindler’s List (1993) 8.9
8 8. 12 Angry Men (1957) 8.9
9 9. The Lord of the Rings: The Return of the King (2003) 8.9
10 10. Fight Club (1999) 8.8