Update 'INSTALL_PACKAGES' structure to use '|' delimited list.

Renamed installer script to 98.

README.md

@@ -1,13 +1,12 @@
 # Package Install - Universal Docker mod
 
-Using this mod you can install any package during starup by providing it through the environment variable `INSTALL_PACKAGES`. This is then passed into the installation command as such: `apt install -y --no-install-recommends ${INSTALL_PACKAGES}` or `apk add --no-cache ${INSTALL_PACKAGES}` for Alpine based images.
+Using this mod you can install any package during starup by providing it through the environment variable `INSTALL_PACKAGES`. This is then passed into the installation command as such: `apt install -y --no-install-recommends ...` or `apk add --no-cache ...` for Alpine based images.
 
 In any docker container arguments, set an environment variable `DOCKER_MODS=linuxserver/mods:universal-package-install`
 
-If adding multiple mods, enter them in an array separated by `|`, such as `DOCKER_MODS=linuxserver/mods:universal-package-install|linuxserver/mods:universal-stdout-logs`
+If adding multiple mods, enter them in an array separated by `|`, such as `DOCKER_MODS=linuxserver/mods:universal-package-install|linuxserver/mods:universal-stdout-logs`. Similarly, for installing multiple packages separate them by `|`.
-
+E.g., to install `rsync`, `git` and `nginx` add the following lines to your docker compose service:
-For example, to install `rsync`, `git` and `nginx` add the following lines to your docker compose service:
 ```yaml
 - DOCKER_MODS=linuxserver/mods:universal-package-install
-- INSTALL_PACKAGES=rsync git nginx
+- INSTALL_PACKAGES=rsync|git|nginx
-```
+```

root/etc/cont-init.d/97-install-packages

@@ -1,17 +0,0 @@
-#!/usr/bin/with-contenv bash
-
-# Exit if no installable packages are provided
-if [ -z ${INSTALL_PACKAGES+x} ]; then
-    echo "**** No packages to install ****"
-    exit 0
-fi
-
-# Ubuntu
-if [ -f /usr/bin/apt ]; then
-    apt-get install -y --no-install-recommends ${INSTALL_PACKAGES}
-fi
-
-# Alpine
-if [ -f /sbin/apk ]; then
-    apk add --no-cache ${INSTALL_PACKAGES}
-fi

root/etc/cont-init.d/98-install-packages

@@ -0,0 +1,26 @@
+#!/usr/bin/with-contenv bash
+
+# Exit if no installable packages are provided
+if [ -z ${INSTALL_PACKAGES+x} ]; then
+    echo "**** No packages to install ****"
+    exit 0
+fi
+
+
+#Split list of packages on delimiter '|'
+IFS='|'
+INSTALL_PACKAGES=(${INSTALL_PACKAGES})
+for PKG in "${INSTALL_PACKAGES[@]}"; do
+    echo "Installing ${PKG}"
+
+    # Ubuntu
+    if [ -f /usr/bin/apt ]; then
+        apt install -y --no-install-recommends ${PKG}
+    fi
+
+    # Alpine
+    if [ -f /sbin/apk ]; then
+        apk add --no-cache ${PKG}
+    fi
+
+done