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Chapter 29 Spell Checking, Word Counting, and Textual Analysis |
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29.8 Find a a Doubled Word
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One type of error that's hard to catch when proofreading is a doubled word. It's hard to miss the double "a" in the title of this article, but you might find yourself from time to time with a "the" on the end of one line and the beginning of another. |
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We've seen awk scripts to catch this, but nothing so simple as this shell function. Here are two versions; the second is for the System V version of tr (35.11 ) :
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ww() { cat $* | tr -cs "a-z'" "\012" | uniq -d; }
ww() { cat $* | tr -cs "[a-z]'" "[\012*]" | uniq -d; }
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| 29.7 Count How Many Times Each Word Is Used | 
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29.9 Looking for Closure |
