in reply to compare 2 files and print to a third

Doesn't this node remind you of a Monty Python movie?
Headmaster: All right, settle down, settle down. 
     Now before I begin the lesson will those of you
     who are playing in the match this afternoon move your clothes
     down on to the lower peg immediately after lunch before you
     write your letter home, if you're not getting your hair cut,
     unless you've got a younger brother who is going out this
     weekend as the guest of another boy, in which case collect his
     note before lunch, put it in your letter after you've had your
     hair cut, and make sure he moves your clothes down onto the
     lower peg for you. Now...

Wymer: Sir?

Headmaster: Yes, Wymer?

Wymer: My younger brother's going out with Dibble this weekend,
     sir, but I'm not having my hair cut today sir, so do I move my
     clothes down or...

Headmaster: I do wish you'd listen, Wymer, it's perfectly simple.
     If you're not getting your hair cut, you don't have to move
     your brother's clothes down to the lower peg, you simply
     collect his note before lunch after you've done your scripture
     prep when you've written your letter home before rest, move
     your own clothes on to the lower peg, greet the visitors, and
     report to Mr Viney that you've had your chit signed. ...
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