How to move files in multiple subfolders up one folder level?

Commands like this usually are run from a simple button. Here's one you can copy-paste to a toolbar:

<?xml version="1.0"?>
<button backcol="none" display="label" textcol="none">
	<label>45094</label>
	<icon1>#newcommand</icon1>
	<function type="normal">
		<instruction>@nodeselect</instruction>
		<instruction>Rename FROM={filepath}* TO={filepath|..}*</instruction>
	</function>
</button>

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