From 30e9205e204853b602bf5db2f6b6b375336d13c7 Mon Sep 17 00:00:00 2001
From: Neale Pickett <neale@woozle.org>
Date: Tue, 2 Feb 2021 20:38:59 -0700
Subject: [PATCH] Use POSIX arithmetic expansion

---
 test.sh | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/test.sh b/test.sh
index a7cb8e6..22ba08b 100755
--- a/test.sh
+++ b/test.sh
@@ -5,25 +5,24 @@ successes=0
 failures=0
 
 H () {
-    section="$*"
     printf "\n%-20s " "$*"
 }
 
 title() {
     thistest="$1"
-    tests=$(expr $tests + 1)
+    tests=$(($tests + 1))
 }
 
 successes=0
 pass () {
     printf '.'
-    successes=$(expr $successes + 1)
+    successes=$(($successes + 1))
 }
 
 failures=0
 fail () {
     printf '(%s)' "$thistest"
-    failures=$(expr $failures + 1)
+    failures=$(($failures + 1))
 }