Github user napsternxg commented on a diff in the pull request:
https://github.com/apache/spark/pull/10836#discussion_r50184164
--- Diff: R/install-dev.sh ---
@@ -35,12 +35,19 @@ LIB_DIR="$FWDIR/lib"
mkdir -p $LIB_DIR
pushd $FWDIR > /dev/null
+if [ ! -z "$1" ]
+ then
+ R_HOME="$1/bin"
+ else
+ R_HOME="$(dirname $(which R))"
--- End diff --
In R there there is usually no `R_HOME` like there is in python so this
might confuse users. We should use the default R when the variable is not
passed.
Or I can use a variable like `SPARK_R_HOME` which specifies the R home
directory ?
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