ex13.coffee

#!/usr/bin/env coffee

fs = require 'fs'
http = require 'http'
{exec} = require 'child_process'

http.get 'http://www.keio.ac.jp/ja/contact/sfc.html', (res) ->
  data = ''
  res.on 'data', (chunk) ->
    data += chunk
  res.on 'end', ->
    fs.writeFile './sfc.html', data.replace /0\d{1,5}[-(]\d{1,4}[-)]\d{4}/g, 'telephone number'
    exec 'open sfc.html'

ex13.new.coffee

#!/usr/bin/env coffee

fs = require 'fs'
http = require 'http'
{exec} = require 'child_process'

http.get 'http://www.keio.ac.jp/ja/contact/sfc.html', (res) ->
  data = ''
  res.on 'readable', ->
    data += res.read()
  res.on 'end', ->
    fs.writeFile './sfc.html', data.replace /0\d{1,5}[-(]\d{1,4}[-)]\d{4}/g, 'telephone number'
    exec 'open sfc.html'