writing to files

functions/write_file.py

@@ -0,0 +1,27 @@
+import os
+
+
+def write_file(working_directory, file_path, content):
+    try:
+        full_path = os.path.join(working_directory, file_path)
+        abs_working_directory = os.path.abspath(working_directory)
+        abs_target_path = os.path.abspath(full_path)
+
+        if not abs_target_path.startswith(abs_working_directory):
+            return (
+                f'Error: Cannot write to "{file_path}" as it is outside the permitted working directory'
+            )
+
+        parent_dir = os.path.dirname(abs_target_path)
+        if parent_dir and not os.path.exists(parent_dir):
+            os.makedirs(parent_dir, exist_ok=True)
+
+        with open(abs_target_path, "w", encoding="utf-8") as f:
+            f.write(content)
+
+        return (
+            f'Successfully wrote to "{file_path}" ({len(content)} characters written)'
+        )
+
+    except Exception as e:
+        return f"Error: {e}"