diff --git a/shell/helpers.sh b/shell/helpers.sh
index 17538d5..4f4bc4b 100644
--- a/shell/helpers.sh
+++ b/shell/helpers.sh
@@ -12,6 +12,11 @@
 # Little handy helpers for scripting
 ######################################
 
+log() {
+    [ ! -d "/home/logs" ] && mkdir -p "/home/logs"
+    echo -e "[`date '+%H:%M:%S'`] $*" | tee -a "/home/logs/`date '+%Y%m%d'`.log"
+}
+
 installed() {
     command -v "$1" >/dev/null 2>&1
 }
@@ -365,11 +370,11 @@ assert_code() {
 
 # func1() {
     # # exit 0
-    # return 0
+    # return 0 
 # }
 # func2() {
     # # exit 1
-    # return 1
+    # return 1 
 # }
 # expect_code "func1" 0 # PASSED
 # expect_code "func1" 1 # FAILED