| Name | Lines of code | Maintainability | Test coverage |
| lib/csv/fields_converter.rb | 72 | B 4 hrs | A 97% |
| lib/csv/input_record_separator.rb | 17 | A 0 mins | |
| lib/csv/parser.rb | 1,095 | F 1 wk | B 86% |
| lib/csv/row.rb | 202 | C 1 day | A 96% |
| lib/csv/table.rb | 202 | C 1 day | A 96% |
| lib/csv/version.rb | 3 | A 0 mins | |
| lib/csv/writer.rb | 178 | B 4 hrs | A 92% |
| profile/parse.rb | 40 | A 0 mins | |
| profile/write.rb | 46 | A 0 mins | |
| run-test.rb | 8 | A 0 mins |