# cat a.txt
2015-1 192 163 300 2015-2 517 598 300 2015-3 771 750 300
# cat test_script
set terminal jpeg small set boxwidth 0.5 plot "a.txt" using 2:xticlabels(1) with boxes lt rgb "#406090",\ "a.txt" using 3 lt rgb "#40FF00",\ "a.txt" using 4 with lines
# cat test_script | gnuplot > a.jpg
![](http://4.bp.blogspot.com/-mQGvovt8ZbQ/VK7JAuvBLGI/AAAAAAAACp4/ZjdqhsWLlAs/s320/a.jpg)
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