Re: old burned cd file in wav

"Fred Maxwell [email protected] [EAC]" <[email protected]> Thu, 1 Oct 2020 17:33:27 -0400
Newsgroups gmane.comp.audio.eac.user
Message-ID <[email protected]>
   % shasum -a 256 --quiet -c sha256.txt          
Unknown option: quiet
Type shasum -h for help

> On Oct 1, 2020, at 2:23 PM, Jerry Baker jbaker6953-/[email protected] [EAC] <[email protected]> wrote:
> 
> The version of md5sum,sha256sum, and others I have allow the '--quiet' 
> option which only generates output if there is a FAILED.
> 
> On 10/1/2020 11:13 AM, Fred Maxwell [email protected] <mailto:[email protected]> [EAC] wrote:
> > That’s also a great method.  Did you mean "find *" or was that supposed 
> > to be "find .” to begin the search at the current directory?
> > 
> > 
> > I made some tweaks and came up with this Mac-friendly method:
> > 
> > find . -type f -exec shasum -a 256 '{}' \; > sha256.txt
> > shasum -a 256 -c sha256.txt | grep FAILED
> > 
> > Notes:
> > 1.  md5sum is not installed by default on the Mac, but shasum is and 
> > SHA256 is more robust.
> > 2.  My music directory tree has multiple formats of music as well as 
> > ancillary files like cover art, so I opened it up to all files.
> > 3.  I don’t want to see thousands of “OK” lines, so I added the grep for 
> > “FAILED”.  I’m hoping I don’t encounter an artist, album, or track name 
> > that contains “FAILED”.  :)
> > 4.  Your method with date-specific filenames makes sense, but I was 
> > being lazy.
> > 5.  My version assumes that your current working directory (as in ‘pwd’) 
> > is the top level of your music directory structure when you start.  The 
> > find could be modified to specify that directory.
> > 
> > Thanks, Jerry.
> 
>