plot_names

yes * , no

no - Gives plot files, except PostScript plots, the extension plt .

yes - Gives all plot files descriptive extensions:

hp - For Hewlett-Packard

hp2 - For Hewlett-Packard hpgl2

cal - For Calcomp

ver - For Versatec

ger - For Gerber photoplotters

ps - For PostScript (including color)