ALL: metric.ps metric.png
general := .gnuplot/general.gnuplot

edit:
	vi metric $(general)

metric.png: metric $(general) 
	gnuplot .gnuplot/metric.png.gnuplot $(general)
metric.ps: metric $(general) 
	gnuplot .gnuplot/metric.ps.gnuplot  $(general)

view:
	gnuplot $(general) .gnuplot/metric.gnuplot