fix how CL works

IMP

@@ -11,18 +11,18 @@ __doc__ = """Integrated Metaomic Pipeline.
 (____)(_/\/\_)(__)
 
 Usage:
-  IMP init <data> <output> [--name=<n>]
+  IMP init <data> <output> [<name>]
   IMP run [VAR ...]
   IMP -h | --help
   IMP --version
 
 Options:
   -h --help     Show this help and exit
-  --name=<n>    Name of the configuration file [default: IMP].
 
 Parameters:
   data: the path where your data is stored
   output: the path where IMP will write result files
+  name: the name of the configuration file [default:IMP]
   MG an MT : the path to your data files
 """
 
@@ -98,6 +98,7 @@ def get_version():
 
 if __name__ == '__main__':
     args = docopt(__doc__, version=get_version(), options_first=True)
+
     # get config file from cache
     config_files = get_config_cache().split()
     # delete if some config files are removed
@@ -112,11 +113,13 @@ if __name__ == '__main__':
     if args['init']:
         data = Path(args['<data>']).abspath()
         output = Path(args['<output>']).abspath()
-        name = args['--name']
+        name = args['<name>']
+        if name is None:
+            name = 'IMP'
         docker_compose_path = Path(output / '%s.yml' % name)
         env_file = Path(output / '.env').touch()
         compose = DOCKER_COMPOSE_TMPL.format(data=data, output=output, code=CURRENT_PATH, name=name)
-        if docker_compose_path.exists() and not yes_or_no("Configuration already exist. Overwrite ?"):
+        if docker_compose_path.exists() and not yes_or_no("Configuration already exist. Overwrite ''%s'?" % docker_compose_path):
             print("Exiting ... ")
             exit(0)
         if docker_compose_path not in config_files: