for e in *.AVI; do echo "$e,${e/.AVI/.mkv},`date +%s`," | tee -a $HOSTNAME.log; ./ffmpeg -y -i "$e"  -c:v libx264 -preset slow -crf 18 -c:a libvorbis -q:a 5 -pix_fmt yuv420p "${e/.AVI/.mkv}"; date +%s | tee -a $HOSTNAME.log; done