A project at work needed me to write a UI to find and delete duplicate attachments on a single post, from a client’s WordPress website. Creating a couple of queries where I could look over each post in turn, and check a hash for each file attached, then spot the duplicate hashes wasn’t too hard. Where I was struggling was making the rows with the duplicates stand out visually, file hashes, e.g. bc38d8d8993b5e9f4617576d2adeb875, are just not that easy to distinguish from other hashes, e.g. dbe0256fe35b88ebd4e4e433604b7487… see the problem?
What I wanted was some way of mapping a file hash to a colour, or something strongly visual. Which is when it occurred to me; Gravatar could do this! Continue reading Spot the duplicates, using a Gravatar identicon hack