#de-dupe

DEDUPE MEANING : Deduping basically means removing duplicate data. For example removing or eliminating duplicate copies of the same file.

Finding duplicate fields in a MongoDB database using Perl

I had occasion to need to check a MongoDB collection for duplicate fields, and thought a basic script for this might prove instructive for some who may have the same need. The file itself can be viewed and downloaded –here–.  I’ll explain the basics of the script top to bottom, chunk by chunk:

#!/usr/bin/perl use strict; use warnings; use MongoDB; use v5.18; my ($db_name, $coll_name) = (DB_NAME,…