From: Ted <ted@...>
Date: 2002-12-22T17:49:24+09:00
Subject: Re: Quickest way to get md5 of a file?

What system?  Windows, I dunno.
*nix: md5 program comes with most, or -- lacking that --
openssl md5 file.

> Hi,
> 
> I wanna get the md5 checksums of files from within Ruby code.
> I realize I can simply loop, read chunks of the file and
> update an MD5 object but that would be very much slower than
> using an external MD5 checksum program and I have very many
> files to check.
> 
> Is there some trick to speed this up or should we consider adding
> a checksum_of_file method to Digest?
> 
> Regards,
> 
> Karsten
> 
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