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andyford
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One problem is that you can have other processes that match that aren't the one you're looking for. For example, say your editing a program in vi at the same time that you're trying to see if that program is running. Then your grep might erroneously return an unwanted positive.
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<p><small>non-Perl: <a href="http://www.andyford.org">Andy Ford</a></small></p>
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