skrf.util.get_extn¶
- skrf.util.get_extn(filename)[source]¶
Get the extension from a filename.
The extension is defined as everything passed the last ‘.’. Returns None if it ain’t got one
- Parameters:
filename (string) – the filename
- Returns:
ext – either the extension (not including ‘.’) or None if there isn’t one
- Return type:
string, None