#! /usr/bin/zsh
img2txt =(
    sed -n -e '/^X-Face:/,/^[^ \t]/ p' $1 |
    sed -n -e 's/^X-Face://' -e '/^[ \t]/ p' |
    sed -e 's/^[ \t]\+//' |
    { echo '/* Width=48, Height=48 */'; uncompface; } |
    icontopbm)