Bash functions to print and check sha256 checksums

checksum_funcs.sh

print_checksum() {
  echo $1 | shasum -a 256
}

verify_checksum() {
  checksum=$(echo $1 | shasum -a 256)
  if [[ $2 == "$checksum" ]]; then
    echo "valid"
  else
    printf "invalid:\n$1 ($checksum)\nvs\n$2\n"
  fi
}