I want to avoid printing duplicates.I have three variables in a print statement like below.For example if the print statment prints " 1 2 3",this pattern should not be printed.Can someone pls suggest how to do it? 

print $line, $match, $link, "\n";

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If the following pattern gets printed,it should not get printed again

1 2 3

In reply to How to avoid printing duplicates by perl_mystery

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