added zenity examples

code/Bash/zenity/progress.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# https://help.gnome.org/users/zenity/stable/progress.html.en
+
+(
+  echo "0" ; sleep 1
+  echo "# Scanning mail logs..." ; sleep 1
+  echo "10" ; sleep 1
+  echo "# Updating mail logs" ; sleep 1
+  echo "20" ; sleep 1
+  echo "# Resetting cron jobs" ; sleep 1
+  echo "50" ; sleep 1
+  echo "This line will just be ignored" ; sleep 1
+  echo "75" ; sleep 1
+  echo "# Rebooting system" ; sleep 1
+  echo "100" ; sleep 1
+) |
+zenity --progress \
+  --title="Update System Logs" \
+  --text="..." \
+  --percentage=0
+
+if [ "$?" = -1 ] ; then
+  zenity --error \
+    --text="Update canceled."
+fi