命令和脚本重新读取gnuplot中的文件 [英] Command and Script to re-read a file in gnuplot

问题描述

我是新到gnuplot和使用Ubuntu 12.04。我想在信息进来的时候创建一个图表。所以我有一个data.dat文件，看起来像：

I am new to gnuplot and using Ubuntu 12.04. I want to create a graph on the fly when the information is coming in. So i have a data.dat file which looks like:

time server1 server2
0    0       0  
1    2000    3000
2    3000    4000
3    4000    5000

之后，我有一个脚本文件loop.plt，用于重新读取文件：

After that i have a script file, loop.plt, that is used to reread the file:

pause 2
replot
reread

我在bash文件中使用的命令：

And finally, the command I use in in a bash file:

gnuplot -persist -e "plot 'data.dat'" loop.plt

结果以点 - 而不是我预期的行返回。但这只适用于server1。

The result comes back as dots - not a line that I expected. But this is only for server1.

我如何改变这一点来创建一个带有图形的图形，并且在同一个图形中显示server2？

How can I change this to create the graph with a line, and also to show the server2 in the same graph? Can someone help me with this?

推荐答案

将您的命令更改为以下内容：

Change your command to the following:

gnuplot -persist -e "plot 'data.dat' using 1:2 with lines ,'' using 1:3 with lines" loop.plt

这使用线绘制列1和2以及列1和3。

This plots columns 1 and 2 and columns 1 and 3 using lines

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