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[–]dedman42 1 insightful - 1 fun1 insightful - 0 fun2 insightful - 1 fun -  (0 children)

Lots of ways to do this in linux. Have you considered regex?

[–][deleted] 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (0 children)

Find them with this: https://dupeguru.voltaicideas.net/

Then you can delete them.