Function to easily convert relative to abs path

src/rat/toolbox/MiscUtil.py

@@ -0,0 +1,24 @@
+from pathlib import Path #to work with relative paths
+
+## Function to convert a relative path to absolute path
+def rel2abs(relative_path: str) -> str:
+    '''
+    Convert a relative path to an absolute path.
+
+    Parameters:
+    - relative_path (str): The relative path to be converted.
+
+    Returns:
+    - str: The absolute path.
+
+    Example:
+    ```
+    relative_path = 'subfolder/file.txt'
+    absolute_path = rel2abs(relative_path)
+    ```
+    '''
+    # Get the absolute path
+    absolute_path = Path(relative_path).resolve()
+
+    # Convert Path object to string
+    return str(absolute_path)