[GRASS-user] List of existing values

[Nikos Dumakis]

hELLO all
Regarding the use of r.stats -1 input=image | sort | uniq
I have sent a message saying that this works just fine but...

I have only tested in WinGRASS 6.4.RC6). When I tried in Linux
(GRASS6.4.0RC6) I got this error:
Sorry <|> is not a valid option
Sorry <sort> is not a valid option
Sorry <|> is not a valid option
Sorry <uniq> is not a valid option

Why do I obtain different results in Win and in Linux? and How can I do this
in Linux?

Thanks
Nikos


On Tue, Jul 20, 2010 at 4:17 PM, Martin Landa <landa.martin at gmail.com>wrote:

> Hi,
>
> 2010/7/20 Nikos Dumakis <nikosdu1980 at gmail.com>:
> > In my case I have not more than 1200 different cell values. If I do :
> > r.stats -1 input=data
> > I obtained a list of all pixel values but what I am lookinf is for the
> > unique values (not repeated).
>
> as mentioned in Hamish's response, use combination of `sort` and `uniq`
>
> r.starts -1 input=data | sort | uniq
>
> Martin
>
> --
> Martin Landa <landa.martin gmail.com> * http://gama.fsv.cvut.cz/~landa
>
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