DEPRECATED PROJECT. MIGRATED TO PYTHON: https://github.com/seoanezonjic/py_cmdtabs Toolset to merge, colapse tables rename field contents, etc

Import data from xlsx into a rails app and export data to xlsx from a rails app

Importance is a Rails engine that allows users to upload Excel and CSV files and interactively map columns to model attributes. It handles files with arbitrary headers by letting users select which columns to import and which to ignore, with support for flexible attribute mapping, batch processing, error handling, and customizable import workflows.

data classes for USPS' IV-MTR