#!/usr/bin/env bash flash_sd () { img_file=$1 sd_card=$2 echo "Flashing $img_file to $sd_card ..." xzcat --stdout $img_file | dd of=$sd_card status=progress } read -e -p "Compressed Image file: " IMG_FILE read -e -p "SD Card: " SD_CARD flash_sd "$IMG_FILE" "$SD_CARD"