file check

Peter Corlett abuse at
Mon Jul 14 13:59:06 BST 2008

On Mon, Jul 14, 2008 at 01:38:17PM +0100, Spiros Denaxas wrote:
> On Mon, Jul 14, 2008 at 1:16 PM, Christopher Jones <c.jones at> wrote:
>> What's the quickest/easiest way to check that two large (~5Gb) files are
>> identical?
> Comparing their md5 checksums?

MD5 is exploitable and you shouldn't be using it except to interoperate with
legacy data and systems. At least use something like SHA-512 if you're going
to compare hashes rather than do a byte-by-byte check.

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