It seems the arguments are already properly quoted in the database to be part of one string. Why don't you use just the exec $string?
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re: Splitting up quoted/escaped command line arguments by choroba
in thread Splitting up quoted/escaped command line arguments by Tommy

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