John R Pierce wrote:
> On 12/30/11 9:58 AM, Les Mikesell wrote:
>> Here's a perl approach:
>
> which, unlike all the other versions, doesn't require the data be
> pre-sorted, by virtue of adding all the tuples to a hash. I don't even
> think that sort in the output loop is required, unless you want the
> groups output in alphabetic order.
IIRC, the awk will come out in order, given the hash.
mark
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