Merge pull request #11 from pylhc/fix_ascii_identification

Fix ascii identification

Author: JoschD

turn_by_turn/__init__.py

@@ -5,7 +5,7 @@
 __title__ = "turn_by_turn"
 __description__ = "Read and write turn-by-turn measurement files from different particle accelerator formats."
 __url__ = "https://github.com/pylhc/turn_by_turn"
-__version__ = "0.4.0"
+__version__ = "0.4.1"
 __author__ = "pylhc"
 __author_email__ = "pylhc@github.com"
 __license__ = "MIT"

turn_by_turn/ascii.py

@@ -47,7 +47,8 @@ def is_ascii_file(file_path: Union[str, Path]) -> bool:
                 # skip empty lines
                 if line.strip() == "":
                     continue
-                return line.strip().startswith(f"#{ASCII_ID}")  # see _write_header
+                # return line.strip().startswith(f"#{ASCII_ID}")  # see _write_header
+                return line.strip().startswith(ASCII_COMMENT)  #  e.g. PS does not follow the rules
         except UnicodeDecodeError:
             return False
     return False