a program to delete duplicate files

[David Eppstein]

In article <4232da24$1 at news.vo.lu>,
 Patrick Useldinger <pu.news.001 at gmail.com> wrote:

> Shouldn't you add the additional comparison time that has to be done 
> after hash calculation? Hashes do not give 100% guarantee.

When I've been talking about hashes, I've been assuming very strong 
cryptographic hashes, good enough that you can trust equal results to 
really be equal without having to verify by a comparison.

-- 
David Eppstein
Computer Science Dept., Univ. of California, Irvine
http://www.ics.uci.edu/~eppstein/