Covert paymentfont.css to Swift cases

convert.sh

#!/bin/sh

if [ -z $1 ]; then
    echo "Usage: ${0} file"
    exit -1
fi

cat $1 | \
    grep .pf- | \
    sed -e 's/.pf-//g' | \
    sed -e 's/:before//g' | \
    sed -e 's/-/_/g' | \
    cat -n | \
    awk '{printf("case %s = \"\\u{f\xf%03x}\"\n", $2, $1 - 1)}'