[Klug-general] sed - How to delete all but first occurrence?

[Paul Littlefield]

On 19/01/12 10:47, David Halliday wrote:
> More Ideal would be to include only one instance of the unique error messages but I believe that will be a little more complicated and more time than it is worth (not to mention that a more complicated solution is harder to explain to people I'm working with).

cat /tmp/error.txt |grep '^error' |sort |uniq

Paully