[R] Installing packages from RProfile.site file

[Uwe Ligges]

On 17.07.2012 21:34, abhisarihan wrote:
> I am trying to install custom packages upon starting R. A lot of the code
> that is written by us right now is available for editing to the users. To
> try and protect the code, I am packaging the production level code and
> having the users install it on their machine during start up.
>
> However, when I try to install packages in RProfile.site file, the program
> goes into a loop and R is constantly launched over and over.


Yes: install.packages() starts a separate R instances to install the 
package which reads the Rprofile.site file and starts a separate R 
instances to install the package which reads the Rprofile.site file and 
starts a separate R instances to install the package which reads the 
Rprofile.site file ........

Best,
Uwe Ligges





  I noticed that
> a lock file for the package is created along with the package in the library
> folder within R.
>
> Here is the code I have added to the site file:
>
> if(length(grep("customPackage", installed.packages()[,1]))==0) {
> 	install.packages("customPackage", repos=NULL, type="source")
> }
>
> When I try to run this code after starting R (without changing the site
> file), it installs the package perfectly fine and moves on. However, when I
> try to do it through the RProfile file, that's when it creates the problems.
>
> Any help on this matter would be greatly appreciated!
>
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