############################
# Display brightness sensor log (BS) of the form
2012-07-29_16:54:47 e.ext.bs brightness: 39.45  lux: 138267  flags: 0

set terminal png transparent size <SIZE> crop
set output '<OUT>.png'

set title '<TL>'

set xdata time
set timefmt "%Y-%m-%d_%H:%M:%S"
set xlabel " "
set grid xtics y2tics

set ytics nomirror
set ylabel "brightness / units"
#set yrange [0:100]

set y2tics
set y2label "brightness / units"
#set y2range [0:100]

#FileLog 4:::

plot "<IN>" x1y1 title 'Volume' with lines