OPUS20: opus20_hostname as posititional cli arg

diff --git a/LUFFT_OPUS20/lufft_opus20_ioc.py b/LUFFT_OPUS20/lufft_opus20_ioc.py
index 9e9805c69c0eace885045b4204177aeb1aaa3b42..13ebffadcb481488d8e089f8cf7dc8cdea78e2ee 100755 (executable)
--- a/LUFFT_OPUS20/lufft_opus20_ioc.py
+++ b/LUFFT_OPUS20/lufft_opus20_ioc.py
@@ -13,7 +13,7 @@ prefix = '{sys}:{sub}:ENVIRON:{esys}:'
 if __name__ == '__main__':
     import argparse
     parser = argparse.ArgumentParser()
-    parser.add_argument('--opus20-hostname', '-o', help='The hostname of IP address of the OPUS20 logger.', required=True)
+    parser.add_argument('opus20_hostname', help='The hostname of IP address of the OPUS20 logger.')
     parser.add_argument('--sys',  required=True, help='The detector system')
     parser.add_argument('--sub',  required=True, help='The detector sub-system')
     parser.add_argument('--esys', required=True, help='The environmental sub system')