At 09:43 -0800 on 01/07/2016, Ed Jaffe wrote about Re: Sort for not there?:
On 1/7/2016 7:16 AM, Tom Marchant wrote:
I like Robert Rosenberg's solution: sort the file on the first two
columns and look for a suitable gap in the sorted data.Probably a lot
quicker than your checklist.
Indeed. That would have been much quicker. But, what if no suitable
delimiter can be found? Then you're SOL!
Note that this is only possible if the file size is over 64K
(assuming that all of the 256 code point values are allowed to be
used in the DLM="??" parm).
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