diff --git a/metrics.sh b/metrics.sh
index c6bd614..9a7c672 100755
--- a/metrics.sh
+++ b/metrics.sh
@@ -10,12 +10,12 @@ LANG=en_US.UTF-8
 LANGUAGE=en_US.UTF-8
 
 # handle opts
-opts_spec=":dhvr:"
+opts_spec=":dhv:r:i:"
 opt_docs=false
 opt_verbose=false
 
 usage () {
-  echo "Usage: $0 [-d] [-h] [-v] [-r]"
+  echo "Usage: $0 [-d] [-h] [-v] [-r repoter] [-i interval]"
 }
 
 help () {
@@ -37,6 +37,9 @@ while getopts "$opts_spec" opt; do
     r)
       REPORTER=$OPTARG
       ;;
+    i)
+      INTERVAL=$OPTARG
+      ;;
     *)
       usage
       exit 1
diff --git a/reporters/file.sh b/reporters/file.sh
index 0991c99..da2a994 100644
--- a/reporters/file.sh
+++ b/reporters/file.sh
@@ -3,7 +3,7 @@
 init () {
   if [ -z $FILE_LOCATION ]; then
     echo "Missing configuration: \$FILE_LOCATION"
-    return 1
+    exit 1
   fi
 
   if [ ! -f $FILE_LOCATION ]; then