#!/bin/bash
s="${1:-bash}"
bc=''
for i in $(eval echo {0..$(( ${#s} - 1 ))}); do
  ord=$(echo -n "${s:$i:1}" | od -An -td1)
  exp="2^$(( ((${#s}-$i-1))*8))"
  [[ $exp == 0 ]] && exp=1
  bc+=$(echo "$ord*$exp+")
done
echo $(echo ${bc:0:-1} | bc)P | tr -d '\\ '