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#!/bin/bash

outputdir="${1:-/tmp}"
outputdir+=/vnstats
: ${IFACES:=wlan0+he6 wlan0 he6}

mkdir -p "$outputdir"

cat <<HTML >"$outputdir/index.html"
<!doctype html>
<head>
<meta charset="utf-8">
<meta name="robots" content="noindex, nofollow">
<title>vnstati</title>
</head>
<body>
HTML

for iface in $IFACES; do
	base="vnstat-$iface"
	for i in s h d t m; do
		vnstati -i "$iface" -$i -o "$outputdir/${base}_$i.png"
	done
cat <<HTML >>"$outputdir/index.html"
<table border="0"><tr><td>
<img src="${base}_s.png" border="0" alt="summary"></td><td>
<img src="${base}_h.png" border="0" alt="hourly"></td></tr><tr><td valign="top">
<img src="${base}_d.png" border="0" alt="daily"></td><td valign="top">
<img src="${base}_t.png" border="0" alt="top 10"><br>
<img src="${base}_m.png" border="0" alt="monthly" vspace="4"></td></tr>
</table>
<hr>
HTML
done

cat <<HTML >>"$outputdir/index.html"
</body>
</html>
HTML