From: Johan Holmberg <holmberg@...>
Date: 2002-03-12T06:55:43+09:00
Subject: Re: Using 'uniq' question


On Tue, 12 Mar 2002, Ed Baker wrote:
>
> If I have an array of data, where each record looks like the example
> below the cut line, how could I do a "uniq" sort based only on the
> first column.
>
> ===========================cut line ========================
> 100788	1000	1538
> 100791	1000	1505
> 100791	1000	1520
> 100792	1000	1698
> 100792	1000	5215
> 100802	1000	1088
> 100808	1000	1094
> 100827	1000	1516
> 100829	1000	1115
> 100830	1000	1115
> 100891	1000	1398
> 100895	1000	1115
>

Does it have to involve Ruby ?
Or would the following command be OK ?

    $ sort -u +0 -1 YOUR-FILE

/Johan Holmberg