if [[ -z $1 ]]
then 
  FILE="list_fits_files_CM.csv"
  declare -i i
  i=0
  while read line; do
  i=i+1
  IFS=',' read -ra ADDR <<< "$line"
  cd ${ADDR[2]} 
  echo ${ADDR[2]}
  if [ -e "psf.fits" ] && [ -e "galfit_B.feedme" ]
  then
   galfit64 galfit_B.feedme
  else
   echo "no psf"
  fi
  cd ../../../
  done < $FILE
else
 cd $1
 galfit64 galfit_B.feedme
 cd ../../../
fi