How to update "Duration" for mp3 info after merge

Discussion in 'OS X Mountain Lion (10.8)' started by nerevar, Jul 19, 2013.

  1. macrumors newbie

    Joined:
    Jun 23, 2012
    #1
    I've merged multiple mp3 files into 1 (cat *.mp3 >> result.mp3). It works great but unfortunately "Duration" info tag stays from the first song.

    Is there a command I can use to force update this tag?

    Thanks
     
  2. thread starter macrumors newbie

    Joined:
    Jun 23, 2012

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