Using concatenation like that is a very inefficient way to build a string. cowboy's suggestion is fine, or you could also replace everything from @lines = <SQL> on down with 
{
  local $/;
  $command_str = <SQL>;
}

[download]
and don't bother with @lines.

In reply to Re^2: max string len by Errto
in thread max string len by Anonymous Monk

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