Use Rscript instead of littler (as unsure about how to

have littler on osx).

Author: lgautier

.travis.yml

@@ -28,8 +28,6 @@ before_install:
       echo "Installing OS X binary package for R"
       sudo installer -pkg "/tmp/R-latest.pkg" -target
       rm "/tmp/R-latest.pkg"
-      brew install python3 homebrew/core/littler
-      ./install_r_packages.r dplyr ggplot2
       virtualenv venv -p python3
       source venv/bin/activate
     fi
@@ -44,8 +42,8 @@ before_install:
     "deb https://cloud.r-project.org/bin/linux/ubuntu/ $(lsb_release -c -s)-cran35/"
   - cat /etc/apt/sources.list
   - sudo apt-get update -qq
-  - sudo apt-get install -y r-base littler
-  - sudo ./install_r_packages.r dplyr ggplot2
+  - sudo apt-get install -y r-base
+  - sudo Rscript ./install_r_packages.r dplyr ggplot2
   - pip install flake8 pytest pytest-cov
   - pip install ipython pandas numpy tzlocal
 

install_r_packages.r

@@ -1,10 +1,5 @@
-#!/usr/bin/env r
-
-if (is.null(argv) | length(argv)<1) {
-  cat("Usage: installr.r pkg1 [pkg2 pkg3 ...]\n")
-  q()
-}
+args <- commandArgs(trailingOnly = TRUE)
 
 repos <- "https://cran.rstudio.com" 
 
-install.packages(argv, repos=repos)
+install.packages(args, repos = repos)