gui_dd.sh

# ------------------------------------------------
# Clone the drives with GUI dialog.
# Uses `dialog` which needs to be installed first..
# 
# Use: 
#  gui_dd <input drive> <output drive>
# ------------------------------------------------
function gui_dd() {
  in_d=$1
  out_d=$2
  
  if [[ -z $in_d ]] || [[ -z $out_d ]]; then
    echo "Input and output drives not specified!"
    exit 1
  }
  
  if [[ -z $(which pv) ]]; then
    echo "Please install pv cli tool"
    exit 1
  fi
  
  if [[ -z $(which dialog) ]]; then
    echo "Dialog not installed. fallback to non-gui"
    dd if=${in_d} of=${out_d} bs=128M
  else
    (pv -n ${in_d} | dd of=${out_d} bs=128M conv=notrunc,noerror) 2>&1 | \
  dialog --gauge "Clonning drive ${in_d} -> ${out_d}, please wait..." 10 70 0
    clear
  fi
  
  echo "Clonning completed"
}