better cleanup

5 years ago · 954b687991
parent 23b80425a3
commit 954b687991
1 changed files with 1 additions and 1 deletions
--- a/tools/scroll.sh
+++ b/tools/scroll.sh
@ -4,5 +4,5 @@ I=0
 while [ 1 ]; do
    sleep 1
    echo $I
-    I=$(($I + 1))
+    I=$((I + 1))
 done