ct/py/test_data/csv_comparer/comparer_csv1.csv

field1,field2,field3,page_name,field5,field7
,0,1,http://www.webpage1.com/ (#1),2.0,-1
2,0,,http://www.webpage2.com/ (#2),2.0,-1
2,0,3,http://www.webpage8.com/ (#8),2.0,-1
2,0,3,http://www.webpage3.com/ (#3),2.0,-1
2,0,3,http://www.webpage5.com/ (#5),2.0,-1
2,0,3,http://www.webpage6.com/ (#6),2.0,-1
2,0,3,http://www.webpage7.com/ (#7),2.0,-1
2,0,3,http://www.webpage9.com/ (#9),2.0,-1
2,0,3,http://www.webpage10.com/ (#10),2.0,-1
abc,,,http://www.webpage11.com/ (#11),,-1
2,0,3,http://www.webpage4.com/ (#4),2.0,-1