How do I compress a dvd rip into 1 file?

I'm not bothered about the large (7.8gb) data consumption, so please don't give me data compression software. I am looking for a program which takes all those video files and .bup .ifo .vobripped off a dvd, and compresses them into one video file (whichever format) without compromising on video quality. Thanks show more I'm not bothered about the large (7.8gb) data consumption, so please don't give me data compression software. I am looking for a program which takes all those video files and .bup .ifo .vobripped off a dvd, and compresses them into one video file (whichever format) without compromising on video quality.
Thanks
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