Így talán egyszerűbb:
$ cat /tmp/template.txt
General;%CompleteName% - %Format%,%FileSize/String%,%Duration/String%,
Video;%DisplayAspectRatio/String%,%CodecID/Hint%,%Width%x%Height%,
Audio;%CodecID/Hint%,%Channels%,%Format_Settings_ModeExtension%,%BitRate/String%,%Language%
File_End;\n
$ find -type f -exec mediainfo --Inform=file:///tmp/template.txt {} +