perlquestion ghosh123 Hi Monk, <br\><br\> I need to understand this following syntax which is collecting the unique keys from two hashes into one array. <br\> The following code works fine, but I do not understand the meaning of the syntax, please explain me <br\><br\> <code> my @uniq = keys %{ {%hash1, %hash2} }; </code> Please explain me the syntax of the right hand side, how does this keys % { {%h1,%h2 } } thing work ?? <br\><br\> Thanks.