#!/bin/bash
# changes file extension JPG or jpeg to jpg

for i in *; do 
#echo $i
   fname=$i
echo fname $fname
   ext=${i#*.}
#   echo "ext: $ext"
   if ( test $ext = mp3  ) ; then
      echo "$fname is mp3"
#      echo "mv $i ./mp3/${i}" | tee -a aaa.log
#      mv $i ./mp3/${i}
   fi
done