examples: add some examples in shell

examples/shell/get-hostname.sh

@@ -0,0 +1,45 @@
+#!/bin/sh
+# vim: ft=sh ts=2 sts=2 sw=2 et ai
+# -*- Mode: sh; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Copyright (C) 2011 Red Hat, Inc.
+#
+
+#
+# Call Get() method on org.freedesktop.DBus.Properties interface to get Hostname
+# property of /org/freedesktop/NetworkManager/Settings object
+#
+
+SERVICE_NAME="org.freedesktop.NetworkManager"
+OBJECT_PATH="/org/freedesktop/NetworkManager/Settings"
+METHOD="org.freedesktop.DBus.Properties.Get"
+
+
+dbus-send --system --print-reply --dest=$SERVICE_NAME $OBJECT_PATH $METHOD \
+          string:"org.freedesktop.NetworkManager.Settings" string:"Hostname" | \
+sed  -n 's/.*"\([^"]*\)".*/\1/p'
+
+
+# The same with glib's gdbus
+# gdbus call --system --dest $SERVICE_NAME --object-path $OBJECT_PATH --method $METHOD \
+#      "org.freedesktop.NetworkManager.Settings" "Hostname"
+
+
+# The same with qt's qdbus
+# qdbus --system $SERVICE_NAME $OBJECT_PATH $METHOD \
+#      "org.freedesktop.NetworkManager.Settings" "Hostname"
+