Software for combos

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Hi guys, i've develeped a little java program to handle combos files. For exemple you can choose how many combos you want to write in a new file or, if you want only the combos that begin with the 'A' and some other filter like this. I use it when there are too many combos in a file so i split it in x new combos file or when i want only values between x and y . Do you think the could be useful to someone here? Let me know