pushbullet template version bump.

Suggested and contributed by [@arpanghosh8453](https://github.com/arpanghosh8453)

README.md

@@ -17,12 +17,12 @@
 
 ___
 ## :bell: Changelog
+- **v0.3.6**: Added pushbullet template.
+- **v0.3.5**: Added a simple progress bar for the registry checkup.
 - **v0.3.4**: Added ntfy.sh template and error message on registry fail.
 - **v0.3.3**: Added Apprise template and the option `-i` inform - to send notifications.
 - **v0.3.2**: Added a notify function to wrap a notify-script, currently DSM/Ssmtp + template script.
 - **v0.3.1**: Addded option `-m` , monochrome mode - no printf color codes.
-- **v0.3.0**: Added option `-d N`, age (days) new images have to be before being pulled and updated.
-- **v0.2.6**: regctl check / download logic changed. Now using the scripts directory as primary location.
 ___
 
 ## :nut_and_bolt: Dependencies
@@ -84,6 +84,8 @@ Current templates:
 - Apprise (with it's [multitude](https://github.com/caronc/apprise#supported-notifications) of notifications)
   - both native [caronc/apprise](https://github.com/caronc/apprise) and the standalone [linuxserver/docker-apprise-api](https://github.com/linuxserver/docker-apprise-api)
   - Read the [QuickStart](extras/apprise_quickstart.md)
+- [ntfy.sh](https://ntfy.sh/) - HTTP-based pub-sub notifications.
+- [Pushbullet](https://www.pushbullet.com/) - connecting different devices with cross-platform features.
 
 Further additions are welcome - suggestions or PR!   
 <sub><sup>Initiated and first contributed by [yoyoma2](https://github.com/yoyoma2).</sup></sub>  

dockcheck.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
-VERSION="v0.3.4"
-### ChangeNotes: Added ntfy.sh template and error message on registry fail.
+VERSION="v0.3.6"
+### ChangeNotes: Added a Pushbullet template.
 Github="https://github.com/mag37/dockcheck"
 RawUrl="https://raw.githubusercontent.com/mag37/dockcheck/main/dockcheck.sh"
 
@@ -128,6 +128,17 @@ datecheck() {
   fi
 }
 
+progress_bar() {
+  QueCurrent="$1"
+  QueTotal="$2"
+  ((Percent=100*${QueCurrent}/${QueTotal}))
+  ((Complete=50*${Percent}/100)) # change first number for width (50)
+  ((Left=50-${Complete})) # change first number for width (50)
+  BarComplete=$(printf "%${Complete}s" | tr " " "#")
+  BarLeft=$(printf "%${Left}s" | tr " " "-")
+  [[ $QueTotal == $QueCurrent ]] || printf "\r[%s%s] %s/%s " $BarComplete $BarLeft $QueCurrent $QueTotal
+  [[ $QueTotal == $QueCurrent ]] && printf "\r[%b%s%b] %s/%s \n" $c_teal $BarComplete $c_reset $QueCurrent $QueTotal
+}
 
 ### Version check & initiate self update
 [[ "$VERSION" != "$LatestRelease" ]] && { printf "New version available! Local: %s - Latest: %s \n Change Notes: %s \n" "$VERSION" "$LatestRelease" "$LatestChanges" ; [[ -z "$AutoUp" ]] && self_update_select ; }
@@ -190,11 +201,16 @@ if [[ -n ${Excludes[*]} ]] ; then
   printf "\n"
 fi
 
+# Variables for progress_bar function
+DocCount=$(docker ps --filter "name=$SearchName" --format '{{.Names}}' | wc -l)
+RegCheckQue=0
+
 ### Check the image-hash of every running container VS the registry
 for i in $(docker ps $Stopped --filter "name=$SearchName" --format '{{.Names}}') ; do
+  ((RegCheckQue+=1))
+  progress_bar $RegCheckQue $DocCount
   ### Looping every item over the list of excluded names and skipping:
   for e in "${Excludes[@]}" ; do [[ "$i" == "$e" ]] && continue 2 ; done 
-  printf ". "
   RepoUrl=$(docker inspect "$i" --format='{{.Config.Image}}')
   LocalHash=$(docker image inspect "$RepoUrl" --format '{{.RepoDigests}}')
   ### Checking for errors while setting the variable:
@@ -301,3 +317,4 @@ else
 fi
 
 exit 0
+

notify_pushbullet.sh

@@ -0,0 +1,27 @@
+### DISCLAIMER: This is a third party addition to dockcheck - best effort testing.
+#
+# Copy/rename this file to notify.sh to enable the notification snippet.
+# Required receiving services must already be set up.
+# Requires jq installed and in PATH.
+# Modify to fit your setup - set Url and Token.
+
+send_notification() {
+Updates=("$@")
+UpdToString=$( printf "%s\n" "${Updates[@]}" )
+FromHost=$(hostname)
+
+# platform specific notification code would go here
+printf "\nSending pushbullet notification\n"
+
+MessageTitle="$FromHost - updates available."
+# Setting the MessageBody variable here.
+MessageBody="Containers on $FromHost with updates available: $UpdToString"
+
+# Modify to fit your setup:
+PushUrl="https://api.pushbullet.com/v2/pushes"
+PushToken="Your Pushbullet token here"
+
+# Requires jq to process json data
+jq -n --arg title "$MessageTitle" --arg body "$MessageBody" '{body: $body, title: $title, type: "note"}' | curl -sS -o /dev/null --show-error --fail -X POST -H "Access-Token: $PushToken" -H "Content-type: application/json" $PushUrl -d @-
+
+}