#テキストファイルのBOMの有無を調べる
def has_bom(file_path):
with open(file_path, 'rb') as f:
first_bytes = f.read(3)
return first_bytes == b'\xef\xbb\xbf'
file_path = 'base64-24-03-25.txt'
if has_bom(file_path):
print(f'{file_path} contains BOM')
else:
print(f'{file_path} does not contain BOM')