Thanks so much for turning me on to 'send'.

I figured out that a comma-delimited list of any needed method arguments
may be appended to the variable containing the method name.  I also
found 'respond_to?' which allows me to test whether a particular method
exists.  Armed with this new knowledge, I think that I will be able to
get where I want to go.

Thanks for all the help.

    ... doug

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