From bd3a35704fea690ed837b55f9f03b08420731d0d Mon Sep 17 00:00:00 2001
From: Xavier Moffett <sapphirus@azorium.net>
Date: Sat, 22 Mar 2025 19:36:09 -0400
Subject: [PATCH] Simplify and fix delta check

---
 volbash | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/volbash b/volbash
index 681d367..6fc350f 100755
--- a/volbash
+++ b/volbash
@@ -90,12 +90,11 @@ toggle() {
 adjust() {
     local delta vol op 
 
-    # Check for valid input value
-    case $1 in '' | *[!0-9]*)
+    # Check for valid input value 
+    if [[ ! $1 -gt 0 ]]; then
         echo "error: Delta value must be a positive integer."
-        exit 2
-        ;;
-    esac
+        exit 2 
+    fi
 
     # Ascertain the volume level by parsing wpctl's output
     vol=$(v="$(wpctl get-volume "$sink")"; echo "${v#* }")