[R] system() function

From: Jeff Breiwick <jeff.breiwick_at_noaa.gov>
Date: Thu, 24 Apr 2008 14:18:11 -0700


Hi,

I am trying to run the command: R CMD INSTALL -l mypath mypackagename from within R (Windows XP) using system() and get the following error:

ARGUMENT 'CMD INSTALL -l D:/R/JMB.LIBS jmb.test' __ignored__

Fatal error: you must specify '--save', '--no-save' or '--vanilla'

My function contains these 3 lines:
  setwd("D:/R/R.pkgs") # path to files set using package.skeleton()   commands <- shQuote("CMD INSTALL -l D:/R/JMB.LIBS jmb.test")   system(paste('"R"',commands))

Can anyone tell me where I have gone astray? I suspect the problem lies in quoting the strings. The command (R CMD INSTALL etc.) runs OK if I run it in a windows shell.
Thank you.

Jeff Breiwick



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