Re: [Gnuplot-info] parameter passing

[János L. <jan...@ya...>]

On Jun 30, 2010, at 5:00 PM, János Löbb wrote:

> Hi,
> 
> Having a plot command in a .gp file this way:
> 
> plot ["Jun 01, 2010 00:03:11":"Jun 30, 2010 00:03:04"][] "/Volumes/Data/PROJECTS/Sysmon/outs/workerprocess.out" using 1:( column(2) > 0 ? column(2) : 1) title "Total Worker Requested" with points pointtype 7 pointsize 0.4,"" using 1:( column(2) > 0 ? column(2) : 1) title "Bezier" smooth bezier with lines linetype -1
> 
> is working fine.
> 
> When I change it to this form:
> 
> plot [$0:$1][] "/Volumes/Data/PROJECTS/Sysmon/outs/workerprocess.out" using 1:( column(2) > 0 ? column(2) : 1) title "Total Worker Requested" with points pointtype 7 pointsize 0.4,"" using 1:( column(2) > 0 ? column(2) : 1) title "Bezier" smooth bezier with lines linetype -1
> 
> and call the program containing this plot command as:
> 
> gnuplot> call '/Volumes/Data/PROJECTS/Sysmon/gnuplot_cmds/workerprocess_multi.gp' "Jun 01, 2010 00:03:11" "Jun 30, 2010 00:03:04"
>         "/Volumes/Data/PROJECTS/Sysmon/gnuplot_cmds/workerprocess_multi.gp", line 15: undefined variable: Jun
> 
> 
> I also tried single quote with no difference.
> 
> What am I doing wrong ?
> 
> János
> 

I found my error.   the plot should start with

plot["$0":"$1"].......

that is I missed the quotes around the parameter names :-)

János