Thanks for the prompt reply. I think I have an idea on how to do what I want
now.

Best regards,
Hang

On Mon, Feb 14, 2011 at 6:30 PM, Dirk Eddelbuettel <edd@debian.org> wrote:

>
> On 14 February 2011 at 17:40, Hang PHAN wrote:
> | Hi,
> | I have a very large data file(GB) from which I only want to extract one
> | column to draw histogram. This would be done several times, so I would
> like
> | to ask if there is anyway to plot this using R from the linux command
> line,
> | something look like this
> |
> | cut -f1 xxx.txt |RplotHist ....
>
> Have a look at littler which was written with these uses in mind:
>
>   http://dirk.eddelbuettel.com/code/littler.html
>
> It includes a few examples which should get you going. Also, in
> non-interactive mode, your plot device will have to a file.
>
> Hope this helps, Dirk
>
> --
> Dirk Eddelbuettel | edd@debian.org | http://dirk.eddelbuettel.com
>

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