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.. Copyright (C) 2001-2023 NLTK Project
.. For license information, see LICENSE.TXT
>>> import os.path
>>> from nltk.corpus.reader import BNCCorpusReader
>>> import nltk.test
>>> root = os.path.dirname(nltk.test.__file__)
>>> bnc = BNCCorpusReader(root=root, fileids='FX8.xml')
Checking the word access.
-------------------------
>>> len(bnc.words())
151
>>> bnc.words()[:6]
['Ah', 'there', 'we', 'are', ',', '.']
>>> bnc.words(stem=True)[:6]
['ah', 'there', 'we', 'be', ',', '.']
>>> bnc.tagged_words()[:6]
[('Ah', 'INTERJ'), ('there', 'ADV'), ('we', 'PRON'), ('are', 'VERB'), (',', 'PUN'), ('.', 'PUN')]
>>> bnc.tagged_words(c5=True)[:6]
[('Ah', 'ITJ'), ('there', 'AV0'), ('we', 'PNP'), ('are', 'VBB'), (',', 'PUN'), ('.', 'PUN')]
Testing access to the sentences.
--------------------------------
>>> len(bnc.sents())
15
>>> bnc.sents()[0]
['Ah', 'there', 'we', 'are', ',', '.']
>>> bnc.sents(stem=True)[0]
['ah', 'there', 'we', 'be', ',', '.']
>>> bnc.tagged_sents()[0]
[('Ah', 'INTERJ'), ('there', 'ADV'), ('we', 'PRON'), ('are', 'VERB'), (',', 'PUN'), ('.', 'PUN')]
>>> bnc.tagged_sents(c5=True)[0]
[('Ah', 'ITJ'), ('there', 'AV0'), ('we', 'PNP'), ('are', 'VBB'), (',', 'PUN'), ('.', 'PUN')]
A not lazy loader.
------------------
>>> eager = BNCCorpusReader(root=root, fileids=r'FX8.xml', lazy=False)
>>> len(eager.words())
151
>>> eager.words(stem=True)[6:17]
['right', 'abdominal', 'wound', ',', 'she', 'be', 'a', 'wee', 'bit', 'confuse', '.']
>>> eager.tagged_words()[6:11]
[('Right', 'ADV'), ('abdominal', 'ADJ'), ('wound', 'SUBST'), (',', 'PUN'), ('she', 'PRON')]
>>> eager.tagged_words(c5=True)[6:17]
[('Right', 'AV0'), ('abdominal', 'AJ0'), ('wound', 'NN1'), (',', 'PUN'), ('she', 'PNP'), ("'s", 'VBZ'), ('a', 'AT0'), ('wee', 'AJ0-NN1'), ('bit', 'NN1'), ('confused', 'VVN-AJ0'), ('.', 'PUN')]
>>> len(eager.sents())
15
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