Function gen_grep

src/4/creating_data_processing_pipelines/example.py:37–44

Look for a regex pattern in a sequence of lines

(pattern, lines)

        yield from it

def gen_grep(pattern, lines):
    '''
    Look for a regex pattern in a sequence of lines
    '''
    pat = re.compile(pattern)
    for line in lines:
        if pat.search(line):
            yield line

if __name__ == '__main__':