The Report Generation Toolkit does not allow you to delete a worksheet (or anything as far as I can tell). I realize that it is a "generation" toolkit, but it does have modification functions such as being able to overwrite a cell. Deletion is a modification function of sorts and it seems like it is a pretty basic function. Also, figuring out how to open an existing file is not obvious. You have to use the New Report function. It turns out that you can use an existing file as the "template", but that doesn't show up in the documentation. Rename the function as New/Open, something similiar to the file I/O Open/Create functions and at least add a note to the help file.
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