Tools to find "unlegal" files ( videos , music etc )

[perryh at pluto.rain.com]

Robert Bonomi <bonomi at mail.r-bonomi.com> wrote:

<snip specific suggestions re awk(1), file(1), find(1), grep(1), etc.>

All well and good for locating files of a certain format and/or
with particular content, but it doesn't address the question of
whether a specific copy is "legal", i.e. did the user who put it
there have the legal right to put it there?