When an array is interpolated in a double-quotish context, Perl separates its elements with the contents of the special variable $" (aka $LIST_SEPARATOR), which, by default is a single space. Therefore, an alternative to the above is simply to set $" to the empty string. E.g.

{
  local $" = '';
  print "@array\n";
}
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A third possibility is this:

print join('', @array), "\n";
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But note that if the first solution did not work, neither will the other two. If this is the case, holler and we can give you more specific advice.