Create Diff_update_script.py

Diff_update_script.py

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+# merge_diff_with_comments.py
+# Usage: python merge_diff_with_comments.py diff.txt merged_left.txt
+
+import sys
+
+def merge_diff(diff_file, out_file):
+    output_lines = []
+    with open(diff_file, "r", encoding="utf-8") as f:
+        for line in f:
+            if line.startswith(">"):
+                # Take the right file's version, strip "> " and add comment
+                updated_line = line[2:].rstrip("\n") + " //Pratham : updated\n"
+                output_lines.append(updated_line)
+            elif line.startswith("<"):
+                # Skip the left side's outdated version
+                continue
+            elif line.startswith("|"):
+                # Skip the diff separator
+                continue
+            else:
+                # Common line, keep as-is
+                output_lines.append(line)
+
+    with open(out_file, "w", encoding="utf-8") as out:
+        out.writelines(output_lines)
+
+if __name__ == "__main__":
+    if len(sys.argv) != 3:
+        print("Usage: python merge_diff_with_comments.py diff.txt merged_left.txt")
+    else:
+        merge_diff(sys.argv[1], sys.argv[2])
+        print(f"Merged file with comments written to {sys.argv[2]}")