Re: RFE: hash-type in sum utils

[Pádraig Brady]

On 07/24/2012 12:18 PM, Ondrej Oprala wrote:
> Hello,
>   I'd like to consult this RFE 
> http://lists.gnu.org/archive/html/bug-coreutils/2009-11/msg00341.html and
>   find out if my proposed solutions would be satisfactory. There shouldn't be 
> a problem with printing the
>   hash-type prefix before printing the generated hash. My concerns are more 
> with the hash utils' logic
>   during hash check. Should the utils recognize the prefix/prefixless version 
> of the input on their own
>   or should they require the proposed '-l' switch during the checking as 
> well? Personally, I'd lean more
>   towards the idea of automatic prefix recognition, which shouldn't be too 
> hard to implement and would probably
>   feel more natural to everyone.
>   Cheers,
>    Ondrej Oprala

A fairly sensible idea.

Generating the tags would need to be optional of course.
I vote for --tag.

Consuming the tags with --check should be automatic.

Tags could be useful too if we ever decided to consolidate
to a single checksum util.

cheers,
Pádraig.