I made a bunch of plots and tried to save them all to the same file using HPGL (which I assume means HP Graphics Language, or something like that). I wanted them all in the same file for convenience, so I appended each plot to the end of the file, using:
print -dhpgl -append hpplot.hgl
When I was done the file only contained the last plot. Each plot had over- written the one before. I checked the options in the help utility and as nearly as I can figure out I was using the right options. I can produce good plot files if I use a different file for each plot but I'd like to know what I was doing wrong.
Am I using the wrong options for print? Can you only append plots in a postscript file? Is this a bug? Is this some kind of machine-dependent thing? I'm using an HP 9000/770/J210 workstation with HP-UX 10.01.
This isn't exactly the most serious problem in the world, but any advice anybody can contribute would be appreciated. Thanks.