set terminal png size 1024,768 my_width=0.25 set yrange[0:100] set autoscale ymax set style line 1 lt 1 lw 50 set xtics 2 set style fill pattern border set boxwidth my_width set style fill solid border -1 set xtic nomirror rotate set bmargin 7 set key outside my_index= -1 set title " " set ylabel " " set output " .png" set xtics ( " " , ) plot 'bar.data' index my_index using $1+(-1)*my_width: +1 title "" with boxes fs pattern ,