diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..dfdd933bfa51e3fa536f7100a6ec008a4bcfc70c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.csv
+*.RDS
\ No newline at end of file
diff --git a/r/ExtractFromXML.R b/r/ExtractFromXML.R
old mode 100644
new mode 100755
index 2af3bc4230664f514f71a2e68189792a0bdcb4cb..5bf23a51d14703c15316410a7eaf704fc1bf5299
--- a/r/ExtractFromXML.R
+++ b/r/ExtractFromXML.R
@@ -1,3 +1,5 @@
+#!/usr/bin/env Rscript
+
 library(xml2)
 
 data <- read_xml("../data/Wikipedia-20181120103842.xml")
diff --git a/r/PhysicistsList.R b/r/PhysicistsList.R
index 2998f9bd78b136a58775634211f58dba9052f553..bd776bcb99e28b4b4f7381cc9bd6fb24cc487a00 100644
--- a/r/PhysicistsList.R
+++ b/r/PhysicistsList.R
@@ -1,3 +1,5 @@
+#!/usr/bin/env Rscript
+
 ### Extract list of pyhsicists from wikipedia article
 
 library(rvest)