gawk -f awk_spangler_model.awk > gpl_spangler.txt
gawk -f awk_casa_model.awk > gpl_casa.txt

gnuplot gpl_load.txt
gnuplot gpl_pile.txt
gnuplot gpl_RC.txt
gnuplot gpl_spangler.txt
gnuplot gpl_casa.txt

mogrify -trim -density 300 -bordercolor "#ffffff" -border 10x10 -format png *.eps