[FFmpeg-user] How do you use Ffmpeg to give unique title/track names (%02d) using -metadata to a split .mp3 file?

[Dave F]

Hi
I'm curious. I've asked this question on a couple of forums with no replies.
Am I asking a stupid question? I'm struggling to believe I'm the only 
one whose ever wanted to do this

On 06/08/2023 14:44, Dave F via ffmpeg-user wrote:
> Hi
>
> I've successfully split a .mp3 file & given it unique names using 
> "XX_%02d.mp3" in the following command: (XX_01, XX_02 etc.)
>
> How do I perform similar for the file's title or track? -metadata 
> title="YY_%02d" gives the file the literal title name of YY%02d. How 
> can I get the -metadata command to accept the numerical coding?
>
> ffmpeg -i "input.mp3" -c copy -segment_time 500 -f segment 
> -segment_start_number 1 -metadata title="YY_%02d" -metadata 
> track="YY%02d" "XX_%02d.mp3"
>
> Cheers
> DaveF
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