Plotting caffe train/test log in the terminal using gnuplot

plot_log.gnuplot

# Make sure train/test log files exist
# `./parse_log.sh result.log` creates result.log.train and result.log.test
# `gnuplot -e "train='result.log.train'" plot_log.gnuplot` plots loss function
# `gnuplot -e "test='result.log.test'" plot_log.gnuplot` plots accuracy

reset
if (!exists("xdim")) xdim = 100
if (!exists("ydim")) ydim = 30
set terminal dumb size xdim,ydim
set style data lines
set key right

if (exists("train")) plot train using 2:3 title "loss"
if (exists("test")) plot test using 1:3 title "accuracy"