SHA question

[A. J. Trickett]

On Wed, 13 Jan 2010 at 12:44:47PM +0000, Dermot wrote:
> Hi,
> 
> I have a lots of PDFs that I need to catalogue and I want to ensure
> the uniqueness of each PDF.  At LWP, Jonathan Rockway mentioned
> something similar with SHA1 and binary files.  Am I right in thinking
> that the code below is only taking the SHA on the name of the file and
> if I want to ensure uniqueness of the content I need to do something
> similar but as a file blob?
> 

Have a look here: http://en.wikipedia.org/wiki/Fdupes

There are links to Perl examples, that do SHA de-duplication.

-- 
Adam Trickett
Overton, HANTS, UK

A bank is a place where they lend you an umbrella in fair
weather and ask for it back when it begins to rain.
	--  Robert Frost