diff --git a/set_env.sh b/set_env.sh
new file mode 100644
index 0000000..6b8af45
--- /dev/null
+++ b/set_env.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+file_env=tempFILE
+if [ -e  "$file_env" ] ; then
+  rm "$file_env"
+fi
+if [ "$#" -le 0 ] ; then
+  echo "Usage: $0 file_name" >&2
+  echo "for example: $0 ~/.bashrc" >&2
+  echo "or add these lines in bash profile for example: ~/.bashrc"
+else
+  file_env=$1
+fi
+echo "export CPATH=$PWD/include_ytest/include:\$CPATH" >> $file_env
+echo "export LD_LIBRARY_PATH=$PWD:\$LD_LIBRARY_PATH" >> $file_env
+
+if [ "$#" -le 0 ] ; then
+  cat $file_env
+  rm $file_env
+fi
+