forked from tdwojak/Python2017
66 lines
1.5 KiB
Python
66 lines
1.5 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Implementacja narzedzia ``wc`` z linuksa (word counter).
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Zwraca liczbę słów, znaków i linii.
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"""
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import sys
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import argparse
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def count_lines(text):
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""" return number of lines. """
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return len(text.strip().split('\n'))
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def count_words(text):
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""" return number of words. """
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return sum([len([1 for word in line.split(' ') if len(word)])
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for line in text.split('\n')])
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def count_chars(text):
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""" return number of words. """
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return len(text)
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def wc(text):
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""" proper wc """
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lines = count_lines(text)
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words = count_words(text)
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chars = count_chars(text)
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return lines, words, chars
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def main():
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""" main """
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#print(wc(sys.stdin.read()))
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parser = argparse.ArgumentParser()
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parser.add_argument("--l", help="liczba linii", action = 'store_true')
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parser.add_argument("--w", help="liczba slow", action = 'store_true')
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parser.add_argument("--c", help="liczba znakow", action = 'store_true')
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parser.add_argument("file", help="sciezka do pliku", type = argparse.FileType('r'), nargs = '?')
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args = parser.parse_args()
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if args.file is None:
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fh_lines = sys.stdin.read()
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else:
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fh_lines = args.file.read()
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if args.l:
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output = count_lines(fh_lines)
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elif args.w:
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output = count_words(fh_lines)
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elif args.c:
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output = count_chars(fh_lines)
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elif not (args.l and args.w and args.c):
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output = wc(fh_lines)
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print(output)
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if __name__ == "__main__":
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main()
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