Using the %{disk} tag in the rename format doesn't work
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#86 Using the %{disk} tag in the rename format doesn't work
I wanted to renumber some files from a two-disk set using the format %{disk}%{track} %{title}. My files (m4a ALAC) were properly tagged (they contained both the track and disk number tags), but upon using the rename from Tag 2 button, the filename was set to "xx title.m4a", ignoring the %{disk}.
I ended up manually copying the disk number to the comment tag and using the %{comment}%{track} %{title} rename format, which did work.
The help file specifies that any frame name could be used, so I tried both %{disk} (the mp4 frame name) and %{Disk Number} (the unified name), to no avail.
Discussion
You have to use "disc" instead of "disk", it works with %{disc} or %{discnumber} or %{disc number}. If you have the total number of discs in the number (e.g. "1/2"), the contained "/" is not allowed in file names. In such a case, you can add the number of digits (e.g. "%{discnumber.2} for two digits) to get rid of the part starting with the slash.
Another remark: You could use "File/Import/From Tags" to copy contents between tags e.g between the disc number and the comment frame.
Argh, sorry about that! Thank you for your additional advice. Very useful app, too.