Example: Replace placeholders with any part of a tag name

When tags are addressed through a data server, the format of the tag string depends on the server. If the format is
[Device]Item
, the parameter file could use a placeholder to replace either of these parts, as in:
    #1=Device1

    #2=Carrots_Weight
If the data server syntax was
Device.Folder.Tag
, the parameter file could use placeholders to replace any or all of these parts at runtime. The parameter file might contain:
    #1=Device1

    #2=Canning

    #3=Peas_Weight

    #4=Carrots_Weight
A tag address could replace Device with #1, Folder with #2 and Tag with #3 or #4.
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