#!/bin/sh
/usr/pkg/sbin/nc 127.0.0.1 64777 > /var/cache/svgmap/data.new
if cmp /var/cache/svgmap/data.new \
       /var/cache/svgmap/data >/dev/null 2>&1;then
 cat /var/cache/svgmap/output
else
 cp /var/cache/svgmap/data.new /var/cache/svgmap/data
 cat /var/cache/svgmap/data \
  | /var/www/libexec/svgmap/generate.sh \
  | tee /var/cache/svgmap/output
fi