CasperJSでWEBサイトをスクレイピングしてみる ref: http://qiita.com/hkusu/items/e08226ca2e2e57d8ab97

file2.coffee

elements = []

elements = @evaluate ->
  items = document.querySelectorAll(".activities article .body a[href*=\"/items/\"]")
  Array::map.call items, (e) ->
    
e.getAttribute('href');

file3.coffee

elements_2 = []

i = 0
while i < elements.length
  if elements[i].match(/^\/piyo/)
    elements_2.push(elements[i])
  i++

file4.coffee

i = 0
while i < element.length
  entry_days[i] = entry_days[i].replace(/[\n\r]/g,"")
  entry_days[i] = entry_days[i].replace(/\ /g,"")
  entry_days[i] = entry_days[i].replace(/<strong>.+?<\/strong>/g,"")
  i++

scraping.coffee

casper = require("casper").create()

target_url = "http://qiita.com/organizations/yumemi"

# 対象のWEBページを開く
casper.start target_url, ->

  urls = []

  urls = @evaluate ->
    items = document.querySelectorAll("a")
    Array::map.call items, (e) ->
      e.getAttribute('href')

  # 出力
  @echo(urls.join("\n"))

casper.run ->
  @exit()