+ # Check for the input file
+ if not os.path.exists(input_path):
+ error('File "%s" not found.' % input_path)
+ if len(dir) != 0:
+ os.chdir(dir)
+
+ if lyxpreview_tools.verbose:
+ f_out = open('verbose.txt', 'a')
+ sys.stdout = f_out
+ sys.stderr = f_out
+