#!/usr/bin/env bash
set -eu
trap exit SIGINT SIGTERM
# Close any previous instances
script_name=${BASH_SOURCE[0]}
for pid in $(pidof -x $script_name); do
if [ $pid != $$ ]; then
kill -15 $pid 2> /dev/null
wait $pid 2> /dev/null
fi
done
# Serve the page
HTML="
$2
"
LENGTH=$(echo "${HTML}" | wc -c)
RESPONSE="HTTP/1.1 200 OK\nContent-Length: ${LENGTH}\nConnection: close\n\n$HTML\n\n"
while true; do
echo -en "$RESPONSE" | nc -N -lp "${1:-8080}";
done