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I am working on a very large data set to import into Magento, and the attributes and the sets are not created for each group. The data has a hierarchy and a type column. The data set has a ton of columns due to there being 21k inventory items in approx 60 groups. The job could be done with either a script to make a file for each group and then manually import each separately. This however could be a very time consuming process. I would like a plugin for importing the data set and have the groups attributes created automatically. I already have a cron that applies the images to the inventory if an item is in the inventory. So I just need the categories to be created based on the hierarchy and the attributes and sets created based on the type.
Please let me know if this is clear enough. Also how long would this take to complete?