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import inflect
from more_itertools import always_iterable
import jaraco.text
def report_newlines(filename):
r"""
Report the newlines in the indicated file.
>>> tmp_path = getfixture('tmp_path')
>>> filename = tmp_path / 'out.txt'
>>> _ = filename.write_text('foo\nbar\n', newline='', encoding='utf-8')
>>> report_newlines(filename)
newline is '\n'
>>> filename = tmp_path / 'out.txt'
>>> _ = filename.write_text('foo\nbar\r\n', newline='', encoding='utf-8')
>>> report_newlines(filename)
newlines are ('\n', '\r\n')
"""
newlines = jaraco.text.read_newlines(filename)
count = len(tuple(always_iterable(newlines)))
engine = inflect.engine()
print(
engine.plural_noun("newline", count),
engine.plural_verb("is", count),
repr(newlines),
)
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