Bram said:
> Thanks.  I'll add it in the todo list.  Although we may add uniq() instead.  
> Consistancy with Unix is useful.

I just wanted to weigh in on the idea of adding uniq() instead of sortuniq().

The modularity of Unix commands is great and all, but when working with big 
data sets you want to scale as efficiently as possible.  In Unix, "sort -u" is 
more efficient than "sort | uniq".  The difference can be dramatic.  (Note:  
Not all Unix "sort" commands support -u.)

If a combined sortuniq() turns out to be the most efficient implementation, 
then I'd urge you to go with that.  Of course a standalone uniq() could also be 
provided, but use cases for uniq() seem to be fairly niche outside of sorting.

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