Publisher review:DuplicateCheck is a script that will check any list of email addresses, find all duplicates, and write out only the unique addresses to a new file. DuplicateCheck is a script that will check any list of email addresses, find all duplicates, and write out only the unique addresses to a new file.
Make sure that your opt-in mailing list doesn't accidentally send multiple copies of your message to anyone - use DuplicateCheck to ensure your entire list is only made up of unique addresses!
Features
- 100% accurate - Case insensitive (finds dupes in upper or lowercase!) - Can process ANY size list with very small RAM usage - Improves the efficency of your opt-in mailing campaigns - Run DuplicateCheck from the web or from a unix shell
DuplicateCheck is a PHP script for Utilities scripts design by PHP Labs.
It runs on following operating system: Windows / Linux / Mac OS / BSD / Solaris.
DuplicateCheck is a script that will check any list of email addresses, find all duplicates, and write out only the unique addresses to a new file.
Operating system:Windows / Linux / Mac OS / BSD / Solaris
DuplicateCheck script details 
