Join GitHub today
GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together.Sign up
Simple bash script to create a graph of a changing value using screen and gnuplot. http://www.jerri.de/programme/
Fetching latest commit…
Cannot retrieve the latest commit at this time.
|Type||Name||Latest commit message||Commit time|
|Failed to load latest commit information.|
Screen-Graph ============ Gerhard Siegesmund <email@example.com> This is a simple bash script to use `screen` and `gnuplot`, to output a simple graph of one changing number output to a screen window. This script is written for bash and uses quite a lot of common tools. Namely: * bash * gnuplot * sed * perl * gnu screen This script is not very elegant, mostly from being hacked together in about 2 hours. I just wanted to visualize the output of another script which was output to a screen-window. It works. Nevertheless YMMV! Usage ----- You need at least one `screen` running. Check for the `$STY`, as you need this for screen-graph to find the data. So inside `screen` do: $ echo $STY 2294.pts-0.fun Then create a new window in `screen` and give it a title. Using standard-shortcuts that would be `CTRL-a c` to create the new window followed by `ctrl-a :title WINDOWNAME<RETURN>` to set the title `WINDOWNAME` for that window. Now this will be the data-window. Just run a script inside this window which just outputs the data to visualize in the following form: UNIX-TIMESTAMP yourValue For example the following line outputs the load in the given form: $ while true; do echo -n $(date +%s)' '; cat /proc/loadavg | cut -f 1 -d ' '; sleep 10; done The output will look something like this: 1144870745 0.22 1144870755 0.18 1144870765 0.39 1144870775 0.64 1144870785 0.85 Now comes the magic. In another window, or even on another terminal (on the same computer as the same user though!) enter (considering `screen-graph.sh` is in your PATH!) $ screen-graph.sh 2294.pts-0.fun WINDOWNAME Use the parameters entered above! The result should be a graph filling up your terminal-window. If it doesn't work, well, use the source, luke. :) If you have ideas on improving this script, or have found any bugs, please tell me via email <firstname.lastname@example.org>. This script is published under the GPL.