Retrieve ID3 versions and/or ID3 tag IDs in concise format

[hippietrail]

I thought I'd be able to use exiftool to return just the ID3 tag versions for an MP3 file. I realize version is not an actual ID3 frame but in long formats it's already printed out. Is there a way to get it printed out in a concise one-line format just like querying for a single tag name.

I also thought I'd be able to get it to return actual tag IDs instead of and/or in addition to tag names.

Basically I'm looking through my MP3 collection to see which have 3-letter PIC frames vs which have 4-letter APIC frames (vs having neither).

Am I just overlooking these abilities in the docs or is neither a supported feature?

[StarGeek]

I thought I'd be able to use exiftool to return just the ID3 tag versions for an MP3 file. I realize version is not an actual ID3 frame but in long formats it's already printed out. Is there a way to get it printed out in a concise one-line format just like querying for a single tag name.

Exiftool can't just list the group names.  You'll have to parse the output without another program/script, such as sed.

I also thought I'd be able to get it to return actual tag IDs instead of and/or in addition to tag names.

The -G (-groupNames) option with a value of 7, e.g. -G7 will be the best you can do.

[hippietrail]

Thanks!
-G7 gives me a lot of what I was looking for.