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I have created a bash script that accesses and plots data using gnuplot. For this i have had to use the $ variable bash symbol. How can I plot an eps file where i can had a hat or tilde with special characters in the xlabels and ylabels?

$\hat{x}/ \lambda_D$

my current terminal is

set terminal postscript eps enhanced color font 'Helvetica, 18'
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    Hi and welcome, don't you have to escape the dollar sign somehow? It is really hard for me to follow, as dollar signs are used in all three languages, everytime with a different meaning. Can you elaborate a bit?
    – Johannes_B
    May 1 '15 at 17:12
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I think, you are looking for the epslatex terminal. So begin your Gnuplot script with

set terminal epslatex
set output 'output.tex'

then you can use latex notation like

set xlabel '$\hat{x}/ \lambda_D$'

this should output a .eps file with the plot and and the .tex file where the plot is embedded and the labels are set. You can use it with \input{output} in your LaTeX file.

I am not sure how your bash script works, possibly you have to escape the $, i.e. \$.

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