diff --git a/bin/private_key_clean.sh b/bin/private_key_clean.sh
new file mode 100755
index 0000000..7ef0c2e
--- /dev/null
+++ b/bin/private_key_clean.sh
@@ -0,0 +1 @@
+perl -0777 -pi -e 's/,\s+/,/g; s/\s+\z//' $1