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axiaoxin/bom

Created December 31, 2013 03:41
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bom
def has_bom(fn):
with open(fn, 'rb') as f:
sample = f.read(4)
return sample[:3] == b'\xef\xbb\xbf' or \
sample.startswith(codecs.BOM_UTF16_LE) or \
sample.startswith(codecs.BOM_UTF16_BE)
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