bug#80334: Allow setting the uniq(1) separator character

On 05/02/2026 06:55, Dan Jacobson wrote:
> uniq man page says:
>         A field is a run of blanks (usually spaces and/or TABs), then  non-blank
>         characters.  Fields are skipped before chars.
> 
> Therefore the users should also be able to specify the separator character.

A more general way to support this, and already discussed
is to have shared field management between the related
sort, join, uniq utilities.This would also be a way to consolidate i18n support in these utilities.

cheers,
Padraig