#!/usr/bin/env python

"""
split paragraphs, sentences, etc
"""

# imports
import argparse
import sys

def split_paragraphs(text):

    lines = [line.strip() for line in text.strip().splitlines()]
    lines = [line if line else '\n'
             for line in lines]
    text = ' '.join(lines).strip()
    paragraphs = [' '.join(p) for p in text.split('\n')]
    return paragraphs

def main(args=sys.argv[1:]):
    """CLI"""

    # parse command line arguments
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument('file', nargs='?', type=argparse.FileType('r'), default=sys.stdin)
    options = parser.parse_args(args)

    text = options.file.read().strip()
    text = ' '.join(text.split())
#    paragraphs = split_paragraphs(text)

    punctuation = ('.',)

#    for paragraph in paragraphs:
#        print (paragraph)

if __name__ == '__main__':
    main()