fix shellcheck warnning

9 years ago · 7ff7a7c527
parent c4a375b3a5
commit 7ff7a7c527
1 changed files with 1 additions and 1 deletions
--- a/acme.sh
+++ b/acme.sh
@ -259,7 +259,7 @@ _exists() {
 #a + b
 _math() {
-  $(( "$@" ))
+  printf "%s" "$(( $@ ))"
 }
 _h_char_2_dec() {