#!/usr/bin/fish

cat $argv[1] \
    # there's definitely a more elegant way to do this,
    # but maybe not with sed, and probably not readably
    | sed -E 's/oneight/18/g;
              s/twone/21/g;
              s/threeight/38/g;
              s/fiveight/58/g;
              s/sevenine/79/g;
              s/eightwo/82/g;
              s/eighthree/83/g;
              s/nineight/98/g;
              s/zerone/01/g;
              s/one/1/g;
              s/two/2/g;
              s/three/3/g;
              s/four/4/g;
              s/five/5/g;
              s/six/6/g;
              s/seven/7/g;
              s/eight/8/g;
              s/nine/9/g;
              s/zero/0/g;
              s/[a-zA-Z]//g;
              s/([0-9]{1})[0-9]*([0-9]{1})/\1\2/g
              s/^([0-9]{1})$/\1\1/g' \
    | tr '\n' '+' \
    | sed 's/+$/\n/g;
           s/^+//g' \
    | bc