googlematch.coffee
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###
Takes provided terms passed as arguments and query google for the number of
estimated results each have.
Usage:
$ casperjs googlematch.js nicolas chuck borris
nicolas: 69600000
chuck: 49500000
borris: 2370000
winner is "nicolas" with 69600000 results
###
casper = require('casper').create verbose: true
casper.fetchScore = ->
@evaluate ->
result = document.querySelector('#resultStats').innerText
~~(/Environ ([0-9\s]{1,}).*/.exec(result)[1].replace(/\s/g, ''))
terms = casper.cli.args # terms are passed through command-line arguments
if terms.length < 3
casper
.echo("Usage: $ casperjs googlematch.js term1, term2 [, term3]...")
.exit(1)
scores = []
casper.echo "Let the match begin between \"#{terms.join '", "'}\"!"
casper.start "http://google.fr/"
casper.each terms, (self, term) ->
@then -> @fill 'form[action="/search"]', { q: term }, true
@then ->
score = @fetchScore()
scores.push term: term, score: score
self.echo "#{term}: #{score}"
casper.run ->
scores.sort -> (a, b) -> b.score - a.score;
winner = scores[0]
@echo "Winner is #{winner.term} with #{winner.score} results"
@exit()