--- a
+++ b/utils/filemanager.py
@@ -0,0 +1,125 @@
+import os
+import sys
+import pandas as pd
+from glob import glob
+from .logger import logger
+import re
+
+def extract_parameter(text):
+    '''
+    Extract the parameter number from the text.
+
+    Args:
+        text ('str'): Text to search for the parameter number.
+
+    Returns:
+        parameter_number ('str'): Parameter number.
+    '''
+    match = re.search(r'Par(\w+)', text)
+    if match:
+        return 'Par' + match.group(1)
+    else:
+        return None
+
+
+
+def get_points_paths(base_path, suffix, num_occurrences = 2):
+    '''
+    Get the paths of the transformed points.
+
+    Args:
+        args ('argparse.Namespace'): Command line arguments.
+        suffix ('str'): Suffix of the file name.
+        num_occurrences ('int'): Number of occurrences of the suffix in the path.
+
+    Returns:
+        paths ('list'): List of paths.
+    '''
+    paths = [path.replace('\\', '/') for path in sorted(glob(os.path.join(base_path, *["***"] * num_occurrences , f"*{suffix}.txt"), recursive=True))]
+    return paths
+
+def get_paths(args, suffix):
+    '''
+    Get the paths of the volumes and segmentations.
+
+    Args:
+        args ('argparse.Namespace'): Command line arguments.
+        suffix ('str'): Suffix of the file name.
+
+    Returns:
+        paths ('list'): List of paths.
+    '''
+    paths = [path.replace('\\', '/') for path in sorted(glob(os.path.join(args.dataset_path, "***" , f"*{suffix}.nii.gz"), recursive=True))]
+    return paths
+
+def check_paths(args, paths, message):
+    '''
+    Check if the paths exist.
+
+    Args:
+        args ('argparse.Namespace'): Command line arguments.
+        paths ('list'): List of paths.
+        message ('str'): Message to display in the logger.
+
+    Returns:
+        None
+    '''
+    if len(paths) == 0:
+        logger.error(f"No {message} found in {args.dataset_path} directory.")
+        sys.exit(1)
+
+
+def create_directory_if_not_exists(path):
+    '''
+    Create a directory if it does not exist.
+
+    Args:
+        path ('str'): Directory path.
+    '''
+    if not os.path.exists(path):
+        os.makedirs(path)
+
+def replace_text_in_file(file_path, search_text, replacement_text):
+        '''
+        Replace text in a text file.
+
+        Args:
+            file_path ('str'): Path to the text file.
+            search_text ('str'): Text to search for in the file.
+            replacement_text ('str'): Text to replace the searched text with.
+        '''
+        try:
+            # Read the file
+            with open(file_path, 'r') as file:
+                content = file.read()
+
+            # Replace the search_text with replacement_text
+            modified_content = content.replace(search_text, replacement_text)
+
+            # Write the modified content back to the file
+            with open(file_path, 'w') as file:
+                file.write(modified_content)
+
+            # print(f"Text replaced in {file_path} and saved.")
+        except FileNotFoundError:
+            print(f"File not found: {file_path}")
+        # except Exception as e:
+        #     print(f"An error occurred: {e}")
+
+def add_and_delete_rows(file_path, row1, row2):
+    # Add two rows at the beginning of the file
+    with open(file_path, 'r+') as file:
+        content = file.read()
+        file.seek(0, 0)
+        file.write(row1 + '\n' + row2 + '\n' + content)
+
+def delete_added_rows(file_path):
+    # Delete the first two rows from the file
+    with open(file_path, 'r') as file:
+        lines = file.readlines()
+
+    # Handle different newline characters when writing back to the file
+    with open(file_path, 'w', newline=os.linesep) as file:
+        file.writelines(lines[2:])
+
+