added bulk rename

Bulk File Renamer/README.md

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+# Bulk File Renamer
+
+A simple Python script that allows you to rename multiple files in a directory based on a specified pattern. This script is useful for organizing and managing large collections of files, such as photos, documents, or music.
+
+## How to use
+
+1. Clone the repository or download the `main.py` script.
+2. Open a terminal and navigate to the directory where the script is located.
+3. Run the script using the following command:
+
+   ```bash
+   python main.py
+   ```
+
+4. Follow the onscreen prompts.

Bulk File Renamer/main.py

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+"""Bulk File Renamer
+A simple script to bulk rename files in a directory by adding a base filename as a prefix."""
+import os
+
+def main():
+    """Main function to execute the bulk file renaming process."""
+    rootdir = input("Input directory to iterate through. \
+Leave blank for current working directory: ")
+    if not rootdir:
+        rootdir = os.getcwd()
+    print(f"{rootdir} selected")
+
+    base_filename = input("Input base file name to use for renaming: \
+Leaving blank will result in an underscore being used as the prefix: ")
+
+    for root, _, files in os.walk(rootdir):
+        for file in files:
+            print(file)
+            print(f"{file} renamed to {(base_filename + '' if not base_filename else '_') + file}")
+            os.rename(os.path.join(root, file), \
+                os.path.join(root, (base_filename + "" if not base_filename else "_") + file))
+main()