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Editing: show-newlines.py
import autocommand 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), ) autocommand.autocommand(__name__)(report_newlines)
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