diff options
Diffstat (limited to 'pre_commit_hooks/check_byte_order_marker.py')
-rw-r--r-- | pre_commit_hooks/check_byte_order_marker.py | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/pre_commit_hooks/check_byte_order_marker.py b/pre_commit_hooks/check_byte_order_marker.py new file mode 100644 index 0000000..fda05e8 --- /dev/null +++ b/pre_commit_hooks/check_byte_order_marker.py @@ -0,0 +1,23 @@ +import argparse +from typing import Optional +from typing import Sequence + + +def main(argv: Optional[Sequence[str]] = None) -> int: + parser = argparse.ArgumentParser() + parser.add_argument('filenames', nargs='*', help='Filenames to check') + args = parser.parse_args(argv) + + retv = 0 + + for filename in args.filenames: + with open(filename, 'rb') as f: + if f.read(3) == b'\xef\xbb\xbf': + retv = 1 + print(f'{filename}: Has a byte-order marker') + + return retv + + +if __name__ == '__main__': + raise SystemExit(main()) |