[Toybox] Add new toy - uniq

[Georgi Chorbadzhiyski]

On 15.3.2012 г. 05:02, Rob Landley wrote:
> On 03/14/2012 10:45 AM, Georgi Chorbadzhiyski wrote:
>> Attached is a new toy - uniq. All parameters of uniq from coreutils are
>> implemented except -D.
>
> This looks reasonably standalone so I'll grab it out of order.
>
> I'm implementing
> http://pubs.opengroup.org/onlinepubs/9699919799/utilities/uniq.html and
> then only adding the stuff that's actually used.  I'm pretty happy not
> having -D if nothing breaks without it.
>
> Testing it in the aboriginal build now...

The additional flags are -w and -z and their implementation is
basically free. -z supports comes from using getdelim, -w is one
branch and using strncmp, strncasecmp instead of strcmp/strcasecmp.

-- 
Georgi Chorbadzhiyski
http://georgi.unixsol.org/

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