[PLUG] 'sort' to find duplicate rows

[Michael Rasmussen]

On Fri, Jul 13, 2012 at 03:59:26PM -0700, Rich Shepard wrote:
>    The text file has > 120k rows; each row has 8 columns. There are
> duplicate rows that I want to eliminate. My reading of the sort man page and
> various Web pages with examples tells me that the sort --key option is
> limited to a sequential starting field and ending field. What I need is to
> sort on fields 1, 2, and 4.
 
You've a solution and all, but I'm curious.

If the lines are identical what difference does the sort key make?

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            Michael Rasmussen, Portland Oregon  
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