My client wants to maintain a list of references by uploading updated CSV file via WP Ultimate CSV Importer about twice a week. They keep all the records in a single file so if the updated file is uploaded to WP, there will be a huge number of duplicate posts and only single posts of those new ones.
Any suggestion how to easy prevent this happening? It need to be very simple as my client isn’t the most technically advanced person. Any other way than asking the client either remove all the current posts before uploading the file or keeping note which posts already exists in the system?
I guess with a few line of code it would be possible to check if the post title already exists and then skip those rows?
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