This is a utility for working with text databases.
Function description
1. You select several files and they are merged into one text file.
2. Removes duplicates. There are 2 ways. If you have a large file the method via disk is better. The script will check if free space is available. So there will be no blue screen if the file is large.
3. Split the file into several.
4. Mixes lines
5. Normalizes the mail database and removes all mailboxes without domain and with short passwords. Changes the delimiter to :
6. Sorting domains by different methods.
7. Will remove from the database mail with domains that you specify.