update shell template

scripts/template.sh

@@ -105,6 +105,7 @@ function traperror() {
     local linecallfunc="$3"
     local command="$4"
     local funcstack="$5"
+    IFS=" "
     for e in ${err[@]}; do
         if test -n "$e" -a "$e" != "0"; then
             error "line $line - command '$command' exited with status: $e (${err[@]})"