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We are an online store. Our distribuitors send us weekly lists in excel with their product code, detail and price.
We want to be able to COMBINE this lists in excel in a way that we can have 1 entire list of UPDATED products and prices. Also if there are any modifications on any of those, we want those modifications to be highlited in a way we can see that for "x" product, its price increased or decreased and if it's sold out.
This file is the only file of products that we will upload on the website, that's why we need those 3 (or more lists) to become 1 big list and always updated. What we basically want is to grab those lists and place them in a program that will JOIN THEM and UPDATE each list as ONE SINGLE list only.
This single big list must have an specific format which is the only format our website will take in. Besides, we need to create our own price, because the list only has the "distribuitor's price".
So basically: We want a program in which we can upload the lists we want, so this program can JOIN THEM and make one big list. This program must be very easy to update, in which we upload a list and the program already knows what was modified (please highlight modifications).
Also, we want to be able to modify the lists within the program, if we want to change prices, models, stock, etc.
They are more variables and suggestions that we will say but first we want to have the right person for this job, that know about what we are talking about and to come with a way to solve this job.