finish day 1

day_01/append_helloos.py

@@ -0,0 +1,22 @@
+"""
+This script is used to attach zero bytes to img file
+REMENBER TO CHECK 0x01FF AND 0x1400
+"""
+
+def append_zeros_to_bin_file(file_path, target_size_hex):
+    target_size = int(target_size_hex, 16)  # Convert hex size to decimal
+    with open(file_path, "ab") as file:  # Open the file in append binary mode
+        file.seek(0, 2)  # Go to the end of the file
+        current_size = file.tell()  # Get the current size of the file
+        zeros_to_add = (
+            target_size - current_size
+        )  # Calculate the number of zeros to add
+
+        if zeros_to_add > 0:
+            file.write(b"\x00" * zeros_to_add)  # Append the zeros
+        else:
+            print("File is already at or exceeds the target size.")
+
+
+# Usage
+append_zeros_to_bin_file("helloos.img", "0x168000")