README
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* barcode.py: module to validate an 8-digit barcode (GTIN-8)

* database.txt: csv file of model cars. used as a product example list

* flowchart-barcode.dot: barcode evaluation process as Dot file

* flowchart-barcode.png: barcode evaluation process as PNG file

* flowchart-order.dot: barcode order process as Dot file

* flowchart-order.png: barcode order process as PNG file

* order.py: do an order based on the barcodes, and the database

* stock.txt: list of items that are in stock

* reorder.py: check the stock list, and create an re-order list

* reorder.txt: generated re-order list