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annotate arrays/word_count/wc.py @ 0:20fea762903e

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Import some exercises and solutions
author Louis Opter <kalessin@kalessin.fr>
date Sat, 29 Jun 2013 19:30:31 -0700
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20fea762903e Import some exercises and solutions
Louis Opter <kalessin@kalessin.fr>
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1 #!/usr/bin/env python
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2
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3 def wc(buf):
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4 word_count = 0
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5 line_count = 0
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6 i = 1
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7 n = len(buf)
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8
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9 while i < n and buf[i].isspace():
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10 if buf[i] == "\n":
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11 line_count += 1
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12 i += 1
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13 while i < n - 1:
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14 if not buf[i - 1].isspace() and buf[i].isspace():
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15 word_count += 1
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16 while i < n - 1 and buf[i].isspace():
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17 if buf[i] == "\n":
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18 line_count += 1
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19 i += 1
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20 else:
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21 i += 1
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22 if not buf[i].isspace():
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23 word_count += 1
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24
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25 return word_count, line_count
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26
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27 s1 = "rhje rhesr jrelskj "
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28 s2 = "fjesl\n ffjesl jfes \n\nfjles fls\n \n"
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29 s3 = " fjeksl fjkels ff"
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30
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31 print("wc({0}) = {1}".format(s1, wc(s1)))
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32 print("wc({0}) = {1}".format(s3, wc(s3)))
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33 print("wc({0}) = {1}".format(s2.replace("\n", "\\n"), wc(s2)))