ods2csv
Introduction
With the tool ods2csv you can converted ODS-documents to
CSV-text. ODS stands for "OpenDocument Spreadsheet", while CSV means
"Comma-Separated Values".
The tool can be downloaded here.
The problem
The original jar cannot deal with ods documents with duplicate fields.
java -jar ./ods2csv.jar test.ods test.csv
The fix
The corrected jar can be downloaded here.
java -jar ./ods2csv2.jar test.ods test2.csv