  #echo -e "$txt_filename without extension: $filenameWithoutExtension"

  # 2: get extension
  extensionWithoutFilename="${filename##*.}"
  #echo -e "extension without $txt_filename: $extensionWithoutFilename"


  # 0/1/2bis: display complete file name
  echo -e "$bacc_txt_lghtbl [$bacc_txt_def $bacc_txt_lghtbl  file:$bacc_txt_def $filename   $bacc_txt_lghtbl]$bacc_txt_def"
  echo
  ## Nb: by now, just generate file names
  ##     => later on, we could ( & it'd be better ) check if the corresponding dirs exist ( or else create them ) before copying the files generated WITH THE SAME FILE NAMES to their respective directories