Thanks for the quick response! That's essentially how I was expecting to have to do it in the worst case. However, I was thinking that setting the chdir = TRUE should have taken care of this for me. Is this a bug? Or am I using it incorrectly? It seems like we shouldn't have to pass the paths around like that. John
On Mon, 2004-01-12 at 11:39, Simon Fear wrote:
I would sidestep the issue by using explicit paths at all times but keeping the directory roots in variables; e.g. firstPath <- "/usr/local/algo/R/script/f" secondPath <- "/home/john/R_script/" and then you can call things like source(paste(firstpath, "firstScript.r", sep="") This scheme does require the pathnames to be set when called. If you wanted your second script to run stand-alone you would have to put in a test such as if (!exists(secondPath)) secondPath <- "/home/john/R_script/" but I find it easier to define such things in .first or some other file I *always* source before working on the project. (Actually I create a list of them, which I call global.pathnames.) HTH
-----Original Message----- From: John Hayes [mailto:jahaye at wm.edu] Sent: 12 January 2004 16:25 To: r-help at stat.math.ethz.ch Subject: [R] source problem Security Warning: If you are not sure an attachment is safe to open please contact Andy on x234. There are 0 attachments with this message.
________________________________________________________________
Hi,
I'm trying to call an R script from the command-line ("firstScript.r"
below). This script then sources another script in another directory
using the absolute path to the file
("/home/john/R_script/secondScript.r"). That script then needs to
source an R script in the same directory using a relative path
("thirdScript.r"). Neither script should know that it is being
sourced. For example,
/usr/local/algo/R/script/firstScript.r
/home/john/R_script/secondScript.r
/home/john/R_script/thirdScript.r
However, I am getting a message that this last file cannot be found.
I've changed the chdir and local attributes of source to TRUE and this
does not seem to change the behavior. Is there a way to do
this without
passing the absolute path to the R files around? Thanks for any help
you can offer.
John
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Simon Fear Senior Statistician Syne qua non Ltd Tel: +44 (0) 1379 644449 Fax: +44 (0) 1379 644445 email: Simon.Fear at synequanon.com web: http://www.synequanon.com Number of attachments included with this message: 0 This message (and any associated files) is confidential and contains information which may be legally privileged. It is intended for the stated addressee(s) only. Access to this email by anyone else is unauthorised. If you are not the intended addressee, any action taken (or not taken) in reliance on it, or any disclosure or copying of the contents of it is unauthorised and unlawful. If you are not the addressee, please inform the sender immediately and delete the email from your system. This message and any associated attachments have been checked for viruses using an internationally recognised virus detection process. However, Internet communications cannot be guaranteed to be secure or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete. Therefore, we do not accept responsibility for any errors or omissions that are present in this message, or any attachment, that have arisen as a result of e-mail transmission. If verification is required, please request a hard-copy version. Any views or opinions presented are solely those of the author and do not necessarily represent those of Syne qua non.