Mac HD full but cant find files

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To the man with the bad breath

So, either you didn't wait for that command to finish, or you didn't copy/paste the full output back here for us to see

I guess I didnt wait long enough then...
Anyway thanks for everyones suggestions.
Decided to take maflynns advice and reformatted the drive then restored from my time capsule. (guess thats why I bought it!)
Interestingly wasnt as time consuming as I thought (less than all the time spent trying to find a solution) and when I restored my total hard drive usage is about 80Gb. I now I have all the files I need with 170 Gb of free space.
Wherever/ whatever the files were they are gone - hopefully for good.
Only problem will be if they start coming back - you'll see me pop up again

Well, you might have to put some sincere effort into it first

with some more sincere effort next time.....