pySim-shell: output currently selected file using select command

When the select command is entered with no parameters it fails with an
exception. Lets just output the currently selected file and exit
instead.

Change-Id: I541bd5ed14f240cd1c2bd63647c830f669d26130
Related: OS#4963
diff --git a/pySim-shell.py b/pySim-shell.py
index 09749dc..8e222f3 100755
--- a/pySim-shell.py
+++ b/pySim-shell.py
@@ -90,6 +90,12 @@
 
 	def do_select(self, opts):
 		"""SELECT a File (ADF/DF/EF)"""
+		if len(opts.arg_list) == 0:
+			path_list = self._cmd.rs.selected_file.fully_qualified_path(True)
+			path_list_fid = self._cmd.rs.selected_file.fully_qualified_path(False)
+			self._cmd.poutput("currently selected file: " + '/'.join(path_list) + " (" + '/'.join(path_list_fid) + ")")
+			return
+
 		path = opts.arg_list[0]
 		fcp_dec = self._cmd.rs.select(path, self._cmd)
 		self._cmd.update_prompt()