Dump a binary file as a C-style array

dump.py

#!/usr/bin/env python

import sys

def main(argv):
    if len(argv) == 1:
        print(f"usage: {argv[0]} [path to bin file]")
        return 1

    with open(argv[1], "rb") as f:
        data = f.read()

    data_len = len(data)

    name = argv[1].split(".")[0]

    print(f"unsigned char {name}[] = {{")

    for i in range(data_len):
        # check if we need to indent
        if i % 8 == 0:
            print("    ", end="")

        # print byte
        # this jank line ensures every byte is 0x__, instead of bytes < 0x10 being 0x_
        print(f"0x{hex(data[i])[2:].ljust(2, '0')}", end="")

        # check if we need a comma
        if i + 1 != data_len:
            print(",", end="")

        # check if we need a newline
        # if no newline, append a comma
        if (i + 1) % 8 == 0 or i + 1 == data_len:
            print("")
        else:
            print(" ", end="")
    
    print("};")

    print(f"\nunsigned int {name}_len = {data_len};")

    return 0

if __name__ == "__main__":
    sys.exit(main(sys.argv))