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Helpful generators and other tools
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Generator function for iterating through large strings, particularly useful
as a replacement for str.splitlines().
See http://stackoverflow.com/a/3865367
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Generator that reads chunk_size bytes at a time from a file/filehandle and
yields it.
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Convenience function which runs fnmatch.fnmatch() on each element of passed
iterable. The first matching candidate is returned, or None if there is no
matching candidate.
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