Here's another question that should be easy, but I haven't been able to find my answer (as other things I've tried haven't pleased the compiler).  How do I go about simply modifying a slice of a string (in my case, just one character)?  If I find an invalid character in a string, I want to substitute another one for it.  Something like

filename(3) = "-"

obviously won't work.

this replaces character 3 in your string with "-"

mid(filename,3,1)="-"

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AndreaVB