Updated scripts and added new

binary_diff.py

@@ -0,0 +1,47 @@
+from argparse import ArgumentParser
+from itertools import zip_longest
+from pathlib import Path
+
+CHUNK_SIZE = 16
+
+
+def hl(b: str):
+    return f"\033[31;47;1m{b}\033[0m"
+
+
+if __name__ == "__main__":
+    parser = ArgumentParser()
+    parser.add_argument("file1", type=Path, help="First file.")
+    parser.add_argument("file2", type=Path, help="Second file.")
+    args = parser.parse_args()
+
+    # Read files
+    with open(args.file1, "rb") as fd1, open(args.file2, "rb") as fd2:
+        file1 = fd1.read()
+        file2 = fd2.read()
+
+    # Find differences
+    diff = [b1 == b2 for b1, b2 in zip_longest(file1, file2, fillvalue=-1)]
+
+    n1 = len(file1)
+    n2 = len(file2)
+    values1 = [f"{b:02X}" for b in file1]
+    values2 = [f"{b:02X}" for b in file2]
+
+    # Highlight different values
+    values1 = [b if diff[i] else hl(b) for i, b in enumerate(values1)]
+    values2 = [b if diff[i] else hl(b) for i, b in enumerate(values2)]
+
+    # Pad to same length
+    values1 = values1 + ["  "] * (max(n1, n2) - n1)
+    values2 = values2 + ["  "] * (max(n1, n2) - n2)
+
+    # Print bytes in chunks
+    print()
+    print(args.file1.name, " " * ((3 * CHUNK_SIZE - 1) + 2 - len(args.file1.name)), args.file2.name)
+    print("-" * (3 * CHUNK_SIZE - 1), "  ", "-" * (3 * CHUNK_SIZE - 1))
+    for chunk in [slice(i, i + CHUNK_SIZE) for i in range(0, max(n1, n2), CHUNK_SIZE)]:
+        print(" ".join(values1[chunk]), "  ", " ".join(values2[chunk]))
+
+    print()
+    print(f"Files differ at {diff.count(False)} places.")