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hippo
<blockquote><i>Q4) What operator is this? I believe it takes my global value of 1 for $debug and makes it zero
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<p>It is the defined-or-equals operator. It assigns the RHS to the LHS only if the LHS is undefined. It is listed in [https://perldoc.perl.org/perlop#Assignment-Operators|perlop] along with all the other operators.</p>
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<hr /><p>🦛
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