[Gnuplot-info] Label value from file and caption under the graph

[fusselpelusa <jun...@gm...>]

Hi,
I have a problem with labelling my plots at an arbitrary position (set label
"... %f" '???filename and column/line???' at ....) using values from a file.
Searching in the gnuplot manual did not help unfortunately. A google-search
did not do the job either. Perhaps I have to use the awk(?) or sed (?)
command? Anyway, as the value I would like to be as label is not the only
one in the line of my data file, perhaps awk will not work? 
Right now, my data file consists of two columns, from where I am plotting
all except the last line (with the every command). The interesting number in
the last line is the one in the second column which should be the label of
the graph. 
I am pretty new to the unix/gnuplot area. 
That's why the online helping tools/manuals for awk/sed ... are a bit too
short for me to understand without lots of examples.  

Additionally I would like to implement underneith the plot a few lines of
text from another textfile like a caption, is this possible with gnuplot? 
Thanks a lot for your help and sorry if I am posting an already answered
question, I could not find any related answer while searching in the forums
archive.
Cheers
Fusselpelusa
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