Hello all, i have a hash and from that i access the key values(string) from it. i want to insert a "-" at starting of each and every value(string).

foreach $z ( %abc) { 
        push (@ab, $z});    
        $ab = join "\-",@ab;
        }
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suppose foreach interative $z contain (to) than (from) like that way. now i want to store that scaler value in to one array called @ab. i want to store that scaler value looks like in array is ( -to -from)... please help me for this.. Thanks for tour time