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@vars = $var1,$var2,$var3; undef $"; $string = "@vars";
undef $"; $string = "@{ [ $var1, $var2, $var3 ] }";
The same name on every site (unless it is taken already) A different name for every site The same name for sites I don't care about, but different names on sites I do care about Different names for sites I don't care about, but the same name on sites I do care about The anonymous account Someone else's username Root, after hacking into the site
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