diff --git a/directory_md/action.yml b/directory_md/action.yml
index dd1161d..6f7edc3 100644
--- a/directory_md/action.yml
+++ b/directory_md/action.yml
@@ -35,7 +35,7 @@ runs:
     - name: Running the formatter
       shell: bash
       run: |
-        python ./build_directory_md.py ${{ inputs.language }} ${{ inputs.working-directory }} ${{ inputs.filetypes }} ${{ inputs.ignored-directories }} ${{ inputs.ignore-folders-children }} > DIRECTORY.md
+        python build_directory_md.py ${{ inputs.language }} ${{ inputs.working-directory }} ${{ inputs.filetypes }} ${{ inputs.ignored-directories }} ${{ inputs.ignore-folders-children }} > DIRECTORY.md
     - name: Committing changes
       shell: bash
       run: |
diff --git a/directory_md/build_directory_md.py b/directory_md/build_directory_md.py
new file mode 100644
index 0000000..cea42ff
--- /dev/null
+++ b/directory_md/build_directory_md.py
@@ -0,0 +1,76 @@
+#!/usr/bin/env python3
+
+import os
+import sys
+from typing import Iterator
+
+if ".py" in sys.argv[0]:
+    sys.argv.pop(0)
+
+
+if len(sys.argv) not in (3, 4, 5):
+    print(
+        "Arguments:\n"
+        "[0] - Language\n"
+        "[1] - Base path\n"
+        "[2] - Allowed filenames\n"
+        "[3] - Files or folders to ignore (optional)\n"
+        "[4] - Folders to ignore, but include children (optional)"
+    )
+    sys.exit()
+
+ignore = []
+skip = []
+if len(sys.argv) == 4:
+    ignore = sys.argv[3].split(",")
+if len(sys.argv) == 5:
+    skip = sys.argv[4].split(",")
+
+URL_BASE = f"https://github.com/TheAlgorithms/{sys.argv[0]}/blob/HEAD"
+
+
+def good_file_paths(top_dir: str = ".") -> Iterator[str]:
+    for dir_path, dir_names, filenames in os.walk(top_dir):
+        dir_names[:] = [d for d in dir_names if d != "scripts" and d[0] not in "._"]
+        for filename in filenames:
+            if filename == "__init__.py":
+                continue
+            if any(
+                e.lower() in os.path.join(dir_path, filename).lower() for e in ignore
+            ):
+                continue
+            if os.path.splitext(filename)[1] in sys.argv[2].split(","):
+                path = os.path.join(dir_path, filename).lstrip(".").lstrip("/")
+                for e in skip:
+                    path = path.replace(e + "/", "")
+                    path = path.replace(e + "\\", "")
+                yield path
+
+
+def md_prefix(i):
+    return f"{i * '  '}*" if i else "\n##"
+
+
+def print_path(old_path: str, new_path: str) -> str:
+    old_parts = old_path.split(os.sep)
+    for i, new_part in enumerate(new_path.split(os.sep)):
+        if i + 1 > len(old_parts) or old_parts[i] != new_part:
+            if new_part:
+                print(f"{md_prefix(i)} {new_part.replace('_', ' ').title()}")
+    return new_path
+
+
+def print_directory_md(top_dir: str = ".") -> None:
+    old_path = ""
+    for filepath in sorted(good_file_paths(top_dir)):
+        filepath, filename = os.path.split(filepath)
+        if filepath != old_path:
+            old_path = print_path(old_path, filepath)
+        indent = (filepath.count(os.sep) + 1) if filepath else 0
+        url = "/".join((URL_BASE, filepath, filename)).replace(" ", "%20")
+        filename = os.path.splitext(filename.replace("_", " ").title())[0]
+        print(f"{md_prefix(indent)} [{filename}]({url})")
+
+
+if __name__ == "__main__":
+    print_directory_md(sys.argv[1])