从Linux中的Excel数据透视表电子表格中提取数据

I have an excel spreadsheet based on a pivot table that is periodically updated (monthly) and uploaded to my server (generated by a group that is very hesitant to changing anything in the output). I would like to be able to write a script that I could run via cron job to process and load the raw data from the pivot table into my database. I have an excel spreadsheet based on a pivot ta