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Scraping
              in 20 mins

                                          Paul Bradshaw
                                            *
                       Leanpub.com/scrapingforjournalists
Friday, 13 July 2012
*


Friday, 13 July 2012
Function (Parameters)
                            *


Friday, 13 July 2012
Function (Parameters)
       =SUM(A2:A50)
       =AVERAGE(B2:B300)
       =COUNTIF(A10:A3000,”Smith”)


                              *


Friday, 13 July 2012
(“string”, index)
                                       *


Friday, 13 July 2012
Tip: search for
                       documentation     *


Friday, 13 July 2012
Tip: search for structure
            around data   *


Friday, 13 July 2012
*


Friday, 13 July 2012
//div[starts-with(@
                       class, ‘jobWrap’)]*


Friday, 13 July 2012
bit.ly/nrwscraper2
                                       *


Friday, 13 July 2012
excelnotes.posterous.com
            /tag/importxml
           /tag/importhtml
                         *


Friday, 13 July 2012
*


Friday, 13 July 2012
https://scraperwiki.com/scrapers/
                             basic_twitter_scraper/

                                                      *


Friday, 13 July 2012
https://scraperwiki.com/docs/python/tutorials/ -
                     Screen Scraper 2

                                             *


Friday, 13 July 2012
Things to know

       •     Libraries
       •     Functions
       •     Variables
       •     Lists or arrays [‘Bob’, ‘Jane’]
       •     Index
       •     String, integer, float
       •     If/Else
       •     For loops
       •     Operators


Friday, 13 July 2012
Following the data

       •     From String (URL) ->
       •     Variable (html) ->
       •     Variable (root) ->
       •     Variable containing a list (tds) ->
       •     Variable (td)




Friday, 13 July 2012
Looping through a list

       •     Tds = [‘Duarte’, ‘Sihl’, ‘Franzi’, ‘Paul’]
       •     For td in tds
       •     The first time, td = Duarte
       •     The second time, td = Sihl
       •     Then td = Franzi
       •     Then td = Paul
       •     Then it has finished the loop!




Friday, 13 July 2012
*


Friday, 13 July 2012
Leanpub.com/scrapingforjournalists
                                             @paulbradshaw
                                    onlinejournalismblog.com
                                      helpmeinvestigate.com
                               slideshare.net/onlinejournalist
                                                   *
                             linkedin.com/in/onlinejournalist
Friday, 13 July 2012

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