Add All existing

deappend

@@ -0,0 +1,95 @@
+#!/usr/bin/python3
+import os
+import sys
+
+
+def remove_suffix_back(directory, suffix):
+    """Removes the specified suffix from the end of filenames before the extension."""
+    for filename in os.listdir(directory):
+        filepath = os.path.join(directory, filename)
+
+        # Skip directories
+        if not os.path.isfile(filepath):
+            continue
+
+        # Separate base name and extension
+        base, ext = os.path.splitext(filename)
+
+        # Remove suffix from the back of the base name
+        if base.endswith(suffix):
+            new_name = base[: -len(suffix)] + ext
+            os.rename(filepath, os.path.join(directory, new_name))
+            print(f"Renamed: {filename} -> {new_name}")
+
+
+def remove_prefix_front(directory, prefix):
+    """Removes the specified prefix from the start of filenames."""
+    for filename in os.listdir(directory):
+        filepath = os.path.join(directory, filename)
+
+        # Skip directories
+        if not os.path.isfile(filepath):
+            continue
+
+        # Remove prefix if it exists
+        if filename.startswith(prefix):
+            new_name = filename[len(prefix):]
+            os.rename(filepath, os.path.join(directory, new_name))
+            print(f"Renamed: {filename} -> {new_name}")
+
+
+def remove_from_extension(directory, suffix):
+    """Removes the specified string from the file extensions."""
+    for filename in os.listdir(directory):
+        filepath = os.path.join(directory, filename)
+
+        # Skip directories
+        if not os.path.isfile(filepath):
+            continue
+
+        # Separate base name and extension
+        base, ext = os.path.splitext(filename)
+
+        # Remove suffix from the extension
+        if ext.endswith(suffix):
+            new_ext = ext[: -len(suffix)]
+            new_name = base + new_ext
+            os.rename(filepath, os.path.join(directory, new_name))
+            print(f"Renamed: {filename} -> {new_name}")
+
+
+def main():
+    # Validate arguments
+    if len(sys.argv) < 3:
+        print("Usage: deappend.py <mode> <string> [directory]")
+        sys.exit(1)
+
+    # Get arguments
+    mode = sys.argv[1]  # Mode: back, front, ext/extension
+    string = sys.argv[2]  # String to remove
+    directory = sys.argv[3] if len(sys.argv) > 3 else os.getcwd()  # Default: current directory
+
+    # Check that the string is not empty
+    if string == "":
+        print("Error: The string to remove cannot be empty.")
+        sys.exit(1)
+
+    # Validate directory
+    if not os.path.isdir(directory):
+        print(f"Error: Directory '{directory}' does not exist.")
+        sys.exit(1)
+
+    # Process based on mode
+    if mode == "back":
+        remove_suffix_back(directory, string)
+    elif mode == "front":
+        remove_prefix_front(directory, string)
+    elif mode == "ext" or mode == "extension":
+        remove_from_extension(directory, string)
+    else:
+        print(f"Error: Unsupported mode '{mode}'. Supported modes: front, back, ext/extension.")
+        sys.exit(1)
+
+
+if __name__ == "__main__":
+    main()