Hadley,
I'm not sure this will solve the issue because if I move the script, I would
still have to go into the script and edit the "/path/to/my/script.r", or do I
misunderstand your workaround?
I'm looking for something like:
file.path.is.here("myscript.r")
and which would return something like:
[1] "c:/user/Desktop/"
so that regardless of where the script is, as long as the accompanying scripts
are in the same directory, they can be easily sourced with something like:
dirX <- file.path.is.here("MasterScript.r")
source(paste(dirX, "AuxillaryFile.r", sep=""))
Thanks,
Stu
On 29 Sep 2010, at 15:23, Hadley Wickham wrote:
>>
>> Forgive me if this question has been addressed, but I was unable to find
>> anything in the r-help list or in cyberspace. My question is this: is there
>> a function, or set of functions, that will enable a script to detect its own
>> path? I have tried file.path() but that was not what I was looking for. It
>> would be nice to be able to put all the related scripts I use in the same
>> folder with a "master" script and then source() them in that "master"
>> script. Problem is, the "master" script must first know where it is (without
>> me having to open it and retype the path every time I move it).
>
> Instead of trying to work out where your script is located, when you
> source it in, just make sure the working directory is set correctly:
>
> source("/path/to/my/script.r", chdir = T)
>
> chdir is the very useful, but under advertised, argument to source().
>
> Hadley
>
> --
> Assistant Professor / Dobelman Family Junior Chair
> Department of Statistics / Rice University
> http://had.co.nz/
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Stu Field, PhD
Postdoctoral Fellow
Department of Biology
Colorado State University
1878 Campus Delivery
Fort Collins, CO 80523-1878
Office: E208 Anatomy/Zoology
Phone: (970) 491-5744
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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