In some case I find it easiest to not even use a variable, but rely on your friend: $_

foreach (@somearray) {
    s/for_this/sub_this/g;
}
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There are many times when this is useful. This might not be the best example but it is one possible use. In this case to do a substitution in each array entry. I think a bigger point would be that you have found your way to "use strict". A definate thing you should always do.

THRAK