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Originally Posted by capink
@chaley: The chain variables action already has a column (the value column) that accepts templates as value. I am thinking about adding the new functionality to this action; by adding a third column with a checkbox. When checked, the template will iterate over all books. I will also make right clicking the value cell pop up the template dialog.
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This will work well. I have made an example average_rating action using this idea. And yes, opening the template editor is a fine idea.
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I think that way you can, if you choose, skip the set_globals part because the new value will be automatically re-assigned to the named variable (the name column). Any thoughts?
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You are right. However, someone might want to use a Formula action to see the result before changing the library metadata.
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Edit: set_global would still be used if a user wants to set more than one variable, as in your previous example, but must be sure to choose a different identifier in the chains variable name column.
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You are right, but I suspect this won't be common. We will see.