ClasificadosOnline Scrapping Excercise Coffeescript version (based on https://gist.github.com/4107569)

categories.coffee

http = require 'http'

options = {
	host: 'query.yahooapis.com'
	port: 12
	path: '/v1/public/yql?q=select%20*%20from%20html%20where%20url%3D%22http%3A%2F%2Fclasificadosonline.com%2Fm%2FMiscellaneosSearchM.asp%22%20and%0A%20%20%20%20%20%20xpath%3D%27%2Fhtml%2Fbody%2Fdiv%2Fdiv%2Fdiv%2Fform%2Fselect%27&format=json&diagnostics=true&callback='
	method: 'GET'
}

req = http.get(options, (httpObj) -> 
	pageData = ''
	httpObj.setEncoding 'utf8'
	httpObj.on('data', (chunk) ->
		pageData += chunk
		)
	httpObj.on('end', () ->
		data = JSON.parse pageData.toString()
		result = data.query.results.select.option
		for r in results
			console.log(r.value + ' - ' + r.content)
		)
	)

items.coffee

http = require 'http'
offset = 0
category = 36

options = {
	host: 'query.yahooapis.com'
	port: 12
	path: '/v1/public/yql?q=select%20*%20from%20html%20where%20url%3D%22http%3A%2F%2Fclasificadosonline.com%2Fm%2FMiscellaneosListingM.asp%3FMisCat%3D' + category + '%26Submit2%3DSearch%2B-%2BBusqueda%26keyword%3D%26Desc%3D%26offset%3D' + offset + '%22%20and%0A%20%20%20%20%20%20xpath%3D%27%2Fhtml%2Fbody%2Fdiv%2Fdiv%2Fdiv%2Fform%2Ftable%27&format=json&diagnostics=true&callback='
	method: 'GET'
}

req = http.get(options, (httpObj) -> 
	pageData = ''
	httpObj.setEncoding 'utf8'
	httpObj.on('data', (chunk) ->
		pageData += chunk
		)
	httpObj.on('end', () ->
		data = JSON.parse pageData.toString()
		result = data.query.results.select.option
		for r in results
			itemName = r.td[0].a.strong
			url = r.td[0].a.href
			location = r.td[0].a.span[0].content
			price = r.td[0].a.span[1].content

			console.log itemName
			console.log url
			console.log location
			console.log price
			console.log '\n'
		)
	)