add 'R.gitignore' for R

diff --git a/R.gitignore b/R.gitignore
new file mode 100644 (file)
index 0000000..42effd3
--- /dev/null
+++ b/R.gitignore
@@ -0,0 +1,5 @@
+# History files
+.Rhistory
+
+# Example code in package build process
+*-Ex.R
\ No newline at end of file