Write status messages to stderr.

generate.py

@@ -93,20 +93,20 @@ def main():
         experiment_dir = os.path.join(cwd, experiment['name'])
 
         # Create folder
-        print('create folder ', experiment_dir)
+        print('create folder ', experiment_dir, file=sys.stderr)
         if not create_dir(experiment_dir):
             print('Skipping experiment ', experiment['name'], file=sys.stderr)
             continue
 
         # Add header
-        print('create header file')
+        print('create header file', file=sys.stderr)
         create_header(args.headerfile, experiment, experiment_dir)
 
         # Add makefile & c++ file
-        print('add Makefile')
+        print('add Makefile', file=sys.stderr)
         makefile_path = os.path.join(experiment_dir, 'Makefile')
         shutil.copyfile(args.makefile, makefile_path)
-        print('add C++ file')
+        print('add C++ file', file=sys.stderr)
         cpp_file_path = os.path.join(experiment_dir, 'experiment.cpp')
         shutil.copyfile(args.cpp, cpp_file_path)