I'd like to gather statistics on managed metadata use. Instead of quering the content by the terms (one by one), I'd like to run through selected lists, listing the used terms per item. Is this possible using Powershell? I have only found examples of the former strategy. Thanks!
Is it possible: Yes
Is is practical: Probably not
If you really want the the process will be:
Loop thought all WebApplications Loop though all site collections Loop through all sites Loop through all lists Find fields which are TaxonomyFieldType or TaxonomyFieldTypeMulti Loop through all items Loop through values of fields found above Increment counters