#!/bin/bash

if [ "$1" == "" ]; then
    echo template filename required
    exit 1
fi

preload=$(for f in frontend/_dist_/*.woff2; do 
    echo "<link rel=\"preload\" href=\"/_dist_/`basename $f`\" as=\"font\" type=\"font/woff2\" crossorigin />"
done)

template="`cat $1 | sed -e 's#<!--PRELOAD-->#\$preload#'`"

eval "cat <<EOF
$template
EOF"