Upload with sftp via bash

upload.sh

#!/bin/bash

#
# upload via sftp
#

# fill out the following definitions
  DEVICE="$1"
  ROM=""
  USER=""
  HOST=""
  PASSWORD=""

# install sshpass
  sudo apt install sshpass -y

# upload
  export SSHPASS=$PASSWORD
  sshpass -e sftp -oBatchMode=no -b - $USER@$HOST << !
    put out/target/product/$DEVICE/$ROM*.zip
      bye
  !