feat: change names

Author: DiogoRibeiro7

_posts/2020-01-09-chisquare test exploring categorical data and goodnessoffit.md renamed to _posts/2020-01-09-chisquare_test_exploring_categorical_data_and_goodnessoffit.md

@@ -0,0 +1,35 @@
+import os
+
+
+def rename_files_in_folder(directory: str) -> None:
+    """
+    Rename files in the given directory by replacing spaces with underscores.
+
+    Parameters:
+    directory (str): The path to the directory containing files to be renamed.
+    """
+    try:
+        # Verify if the provided directory exists
+        if not os.path.isdir(directory):
+            raise NotADirectoryError(f"The path '{directory}' is not a valid directory.")
+
+        # Loop through each file in the directory
+        for filename in os.listdir(directory):
+            old_path = os.path.join(directory, filename)
+            # Ensure we are working with files only, skip directories
+            if os.path.isfile(old_path):
+                # Replace spaces in the filename with underscores
+                new_filename = filename.replace(" ", "_")
+                new_path = os.path.join(directory, new_filename)
+                # Rename only if the new filename differs from the old one
+                if old_path != new_path:
+                    os.rename(old_path, new_path)
+                    print(f"Renamed '{filename}' to '{new_filename}'")
+    except Exception as e:
+        print(f"An error occurred: {e}")
+
+
+if __name__ == "__main__":
+    # You can change the path below to point to your folder
+    folder_path: str = './_posts'
+    rename_files_in_folder(folder_path)