R help - Dec 2006 - extract R code from Sweave file

I want to extract all chunk codes from file" 557_project.Rnw". why
this is
not ok?

thanks,

Aimin

 > Rtangle("557_project.Rnw",output="557_project")
Error in Rtangle("557_project.Rnw", output = "557_project")
:
         unused argument(s) ("557_project.Rnw", output =
"557_project")

try
>Stangle("557_project.Rnw",output="557_project")
On 12/10/06, Aimin Yan <aiminy at iastate.edu>
wrote:
> I want to extract all chunk codes from file" 557_project.Rnw".
why this is
> not ok?
>
> thanks,
>
> Aimin
>
>  > Rtangle("557_project.Rnw",output="557_project")
> Error in Rtangle("557_project.Rnw", output =
"557_project") :
>          unused argument(s) ("557_project.Rnw", output =
"557_project")
>
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>

-- 
Ronggui Huang
Department of Sociology
Fudan University, Shanghai, China
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