[R] Change directory to implement same programes

[Paul Hiemstra]

Hi,

You can use list.files() of Sys.glob to get a listing of all the files 
in a certain directory, e.g. to get all ".R" files and source them:

for(f in Sys.glob("C:/Documents and Settings/lma/*.R")) source(f)

cheers,
Paul

Tammy Ma wrote:
> How do I source a bunch of files in different directories in R?
>
>   
>> From: metal_licaling at live.com
>> To: r-help at r-project.org
>> Date: Wed, 30 Sep 2009 13:45:34 +0300
>> Subject: [R] Change directory to implement same programes
>>
>>
>> HI, R-Users,
>>
>> I have one problem:
>>
>> I have written the the programs which process all file in one directory: for example:
>>
>> setwd("C:/Documents and Settings/lma/My Documents/Vappu-saved/Log") as the start.
>> ..........
>>
>> But I have many folders like "Vappu-saved" and there are a lot of files in each directory. What I want is using the same program what I write for the above directory
>>  to autimatically change directory address to implement the above programs what I wrote. How do I realize it?
>>
>> Thanks a lot.
>>
>> Regards,
>> Lingyi
>>  		 	   		  
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-- 
Drs. Paul Hiemstra
Department of Physical Geography
Faculty of Geosciences
University of Utrecht
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P.O. Box 80.115
3508 TC Utrecht
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http://intamap.geo.uu.nl/~paul