I'd like to create an action that would add specific text to the beginning of the comment field and leave whatever is already there. For example. If the field already said, "Vinyl". I'd like it changed to "NMR, Vinyl". Bonus if it could skip the comma when the field is empty, but I'm doubtful that…

Use this format string: [NMR, %comment%] The square brackets are responsable for only writing the format string if the placeholder has content. [image] Format Strings and Placeholders – Mp3tag Documentation Documentation on format strings and placeholders to describe the structure of f…

See the FAQs: [image] Actions and batch-operations FAQ (Frequently Asked Questions) How to append the string " xyz" to the content of a tag field? Create a new action in an existing action group and choose Format value as action type. Field specifies the tag field the f…

Thank you. This works. I'll have to solve the comma issue by doing this in two steps. This method for files that already have comments, then another to tag the ones that are blank.

Nice idea, @poster . [image] poster: Use this format string: [NMR, %comment%] If you use NMR[, %comment%] then you keep the existing contents of comment with an added comma but insert NMR every time in just one go

Nice. Thank you. Now I can tag them all at once.

Adding text to beginning of existing comment

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ohrenkino November 10, 2022, 8:35pm 2

See the FAQs:

And to limit the files to those that really need treatment, use a filter:
%comment% HAS Vinyl