From 8521280070bbab979cca790f1345642b15a0de57 Mon Sep 17 00:00:00 2001
From: mag37 <robin.ivehult@gmail.com>
Date: Wed, 12 Jun 2024 20:50:10 +0200
Subject: [PATCH] compat-fixes to arrays

---
 README.md    |  1 +
 dockcheck.sh | 10 ++++++----
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index be408e9..07aaf47 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@
 ___
 ## :bell: Changelog
 
+- **v0.4.5**: Bugfixes, compatibility changes to timeout and arrays.
 - **v0.4.3**: Added timeout option to skip container if registry check takes too long (10s default).
 - **v0.4.1**: Syntax and logic cleanups, bugfixes on multi compose and env-files.
 - **v0.4.0**: Reworked selfupdate (auto git/curl/wget), general syntax cleanup, added -v for version.
diff --git a/dockcheck.sh b/dockcheck.sh
index 6513e2c..6ec2aca 100755
--- a/dockcheck.sh
+++ b/dockcheck.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 VERSION="v0.4.5"
-### ChangeNotes: Bugfix for non coreutils architectures that dont have timeout
+### ChangeNotes: Compatability changes to arrays and timeout.
 Github="https://github.com/mag37/dockcheck"
 RawUrl="https://raw.githubusercontent.com/mag37/dockcheck/main/dockcheck.sh"
 
@@ -245,9 +245,11 @@ for i in $(docker ps $Stopped --filter "name=$SearchName" --format '{{.Names}}')
 done
 
 ### Sort arrays alphabetically
-readarray -td '' NoUpdates < <(printf '%s\0' "${NoUpdates[@]}" | sort -z -n)
-readarray -td '' GotUpdates < <(printf '%s\0' "${GotUpdates[@]}" | sort -z -n)
-readarray -td '' GotErrors < <(printf '%s\0' "${GotErrors[@]}" | sort -z -n)
+IFS=$'\n'
+NoUpdates=($(sort <<<"${NoUpdates[*]}"))
+GotUpdates=($(sort <<<"${GotUpdates[*]}"))
+unset IFS
+
 
 ### Define how many updates are available
 UpdCount="${#GotUpdates[@]}"