Procaster-Lenco-converter

#!/bin/bash
#
# Generates script which converts all AVR-files in current directory, except from YLE-channels to xvid mpeg using mencoder.
# Works for files from Procaster 6x00 series files and files are playable with Lenco DVP-731 -player.
#
TARGET_SCRIPT="convert_all.bas_"
rm $TARGET_SCRIPT
echo '#!/bin/bash' >$TARGET_SCRIPT
for myfile in *.AVF
do
  if [ -f "$myfile" ]
  then
#    strings -f  -3 "$myfile" |head -n 2 |tail -n 1
    KANAVA_3BYTE=`strings -3 "$myfile" |head -n 2 |tail -n 1 |cut -b 1-3`
    if [ "$KANAVA_3BYTE" != "YLE" ]
    then
      COUNTER=1
      TIEDOSTOT=''
      OUTPUTFILE=`echo "$myfile" | sed 's/\.AVF//g' |sed 's/\#001//g'|sed 's/(//g'|sed 's/)//g'|sed 's/\ //g'|sed 's/__/_/g'`.avi
      echo ulos $OUTPUTFILE
      while [  $COUNTER -lt 9 ]; do
          TIED1=`echo "$myfile" | sed 's/AVF/AVR/g' |sed 's/\#001/\#00'$COUNTER'/g'`
          ONKOTIEDOSTO=`ls "$TIED1" 2>/dev/null`
          #echo $ONKOTIEDOSTO
          if [ -z "$ONKOTIEDOSTO"  ]
          then
          COUNTER=10
          else
          TIEDOSTOT=`echo "$TIEDOSTOT" \""$ONKOTIEDOSTO"\"`
          fi
          let COUNTER=COUNTER+1
      done

      echo tiedostot  "$TIEDOSTOT"
      echo _______
      echo "$TIEDOSTOT" |xargs ls
      echo OOOOOOOOOOO
      echo 'rm -f tmp.avi' >>$TARGET_SCRIPT
      echo -n 'mencoder -v -ovc xvid -vf scale=704:396 -xvidencopts pass=1:bitrate=1800:vhq=4 -oac copy -o tmp.avi' >>$TARGET_SCRIPT
      echo "$TIEDOSTOT" >>$TARGET_SCRIPT
      echo -n 'mencoder -ovc xvid -vf scale=704:396 -xvidencopts pass=2:bitrate=1800:vhq=4 -oac copy -o ' >>$TARGET_SCRIPT
      echo -n $OUTPUTFILE >>$TARGET_SCRIPT
      echo ' tmp.avi' >>$TARGET_SCRIPT
      echo -n 'mv ' >>$TARGET_SCRIPT
      echo -n "$TIEDOSTOT" >>$TARGET_SCRIPT
      echo ' tmp/' >>$TARGET_SCRIPT
    fi
  fi
done