in reply to Re^4: error:Global symbol "$stopwords" requires explicit package
in thread error:Global symbol "$stopwords" requires explicit package

You appear to be confused about how to scoping works, and how to use the various data-types in perl. Please read perldata and " What’s the difference between dynamic and lexical (static) scoping?" in perlfaq7

"What should it profit a man, if he should win a flame war, yet lose his cool?"
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