>>> import nltk
>>> from nltk.corpus import BracketParseCorpusReader
>>> corpus_root = r”C:\Program Files\360\360zip\LiveUpdateLog”
>>> file_pattern = r”.*.log”
>>> ptb = BracketParseCorpusReader(corpus_root, file_pattern)
>>> ptb.fileids()
[‘360zipUpdate.log’, ‘P2SP_360zipupdate.log’, ‘P2SP_360zipupdate22ss.log’, ‘eretertwer.log’, ‘fergwegjwelkg.log’, ‘tqos_log.log’]
>>> len(ptb.sents())
0
>>> ptb.sents(fileids=’tqos_log.log’)[19]
Traceback (most recent call last):
File “”, line 1, in
ptb.sents(fileids=’tqos_log.log’)[19]
File “C:\Python27\lib\site-packages\nltk-2.0.4-py2.7.egg\nltk\corpus\reader\util.py”, line 264, in __getitem__
raise IndexError(‘index out of range’)
IndexError: index out of range