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Copy rating from GoneMad Media Player on Android to Amarok 1.4

Short BASH script, modified version of the one I created for MediaMonkey. It has even more limitations than before - your files in the memorycard must be named /Music Downloads/$title by $artist.xxx, it will not work with filenames containing ! | ", maybe other characters.

Also, there's no way to tell apart songs saved in cue, you will get nothing or error of some kind. Whoever fixes those issues, please send me e-mail.

Exported stats file from tablet should be in /mnt/ftp/matrixx/stats.xml - edit the script to open your file.

function gonemad2amarok { sed -r -e 's|.+</Version>||' -e 's|</File>|\n|g' < /mnt/ftp/matrixx/stats.xml | grep -v '/storage/emulated/0/' | sed -r -e 's|<[^>]+>| |g' -e 's|/storage/sdcard1/Music Downloads/||g' -e 's/([0-5].[05]).+/\1/g' -e 's/ +//' -e 's/([a-z0-9)]) by ([A-Z0-9])/\1|\2/' -e 's/\..{3,4} /|/' | grep -v 0.0$ | head -n-1 | while read line
  do
  title="`echo $line | cut -f1 -d\|`"
  artist="`echo $line | cut -f2 -d\|`"
  rating="`echo $line \* 2 | cut -f3 -d\| | bc | sed s/\.0//`"
  url="`sqlite3 ~/.kde/share/apps/amarok/collection.db 'select tags.url FROM tags JOIN artist ON tags.artist=artist.id WHERE tags.title="'"$title"'" AND artist.name="'"$artist"'";' `"
  echo " "$title by $artist has new rating $rating -- $ret
  sqlite3 ~/.kde/share/apps/amarok/collection.db 'UPDATE statistics SET rating='"$rating"' WHERE url="'"$url"'"'
  let ret++
  done
echo -e "\nRatings hopefully copied to amarok\n"
}
The second version: modified to use following filename schema:
/Music Downloads/$artist/%year - %album/%track. %title.xxx

function gonemad2amarok { sed -r -e 's|.+</Version>||' -e 's|</File>|\n|g' < /mnt/ftp/matrixx/stats.xml | grep -v '/storage/emulated/0/' | sed -r -e 's|<[^>]+>| |g' -e 's|/storage/sdcard1/Music Downloads/||g' -e 's/([0-5]\.[05]).+/\1/g' -e 's/ +//' -e 's^([A-Za-z0-9 )])/.+/[0-9]{2}\.\ ([A-Za-z0-9 ])^\1|\2^' -e 's/\..{3,4} /|/'| grep -v 0.0$ | head -n-1 | while read line
  do
  title="`echo $line | cut -f2 -d\|`"
  artist="`echo $line | cut -f1 -d\|`"
  rating="`echo $line \* 2 | cut -f3 -d\| | bc | sed s/\.0//`"
  url="`sqlite3 ~/.kde/share/apps/amarok/collection.db 'select tags.url FROM tags JOIN artist ON tags.artist=artist.id WHERE tags.title="'"$title"'" AND artist.name="'"$artist"'";' `"
  echo " "$title by $artist has new rating $rating -- $ret
  sqlite3 ~/.kde/share/apps/amarok/collection.db 'UPDATE statistics SET rating='"$rating"' WHERE url="'"$url"'"'
  let ret++
  done
echo -e "\nRatings hopefully copied to amarok\n"
}
usage: Backup statistics in GMMP -> Settings -> Backup. Copy file from /gmmp/stats.xml to computer and then just run gonemad2amarok


TODO:
- call script by gonemad2amarok point/to/stats.xml
- remove limitations?
- find other tags in the files (gonemad2amarok stats.xml /mnt/sdcard/) and find correct files more accurately
- print only changed ratings to screen, not all of them
- the other way around (amarok2gonemad -> copy ratings from computer to gonemad media player - for files copied to SD card)