Return error

1 files changed, 7 insertions, 0 deletions

diff --git a/util.go b/util.go
index 7f43bd2..4416696 100644
--- a/util.go
+++ b/util.go
@@ -27,3 +27,10 @@ func ExitF(format string, a ...interface{}) {
 	fmt.Println("")
 	os.Exit(1)
 }
+
+func checkErr(err error) {
+    if err != nil {
+        fmt.Println(err)
+        os.Exit(1)
+    }
+}