update README

README.md

@@ -1,12 +1,10 @@
 ## TODO
 
 - README
-- option parsing
+- improve CLI interface
 - allow multiple reporters
 - better docs, including reporters (--docs)
 - config file support
 - config file auto-generation
-- load custom metrics
-- async metrics
-- extended metric labels?
+- load custom/contrib metrics and reporters
 - same metric multiple times (e.g. disk_usage for multiple devices)

lib/main.sh

@@ -106,7 +106,7 @@ main_terminate () {
   fi
 
   # delete temporary directory
-  if [ ! -z $TEMP_DIR ] && [ -d $TEMP_DIR ]; then
+  if [ -d $TEMP_DIR ]; then
     rmdir $TEMP_DIR
   fi
 }