Included lines to work on copies of files, and removed .strip() to create the table preamble because it destroyed txt structure.

src/g5505_file_reader.py

@@ -115,7 +115,8 @@ def read_txt_files_as_dict(filename : str ):
         for line_number, line in enumerate(f):        
             list_of_substrings = line.split(separator)
             if not (line == '\n'):
-                table_preamble += line.strip() #+ "\n"
+                #table_preamble += line.strip() #+ "\n"
+                table_preamble += line
             if table_header in line:                
                 data_start = True  
                 column_names = []