[Gnuplot-info] Question on variables

[Dieter J. <die...@t-...>]

Dear listmembers,
is there any means to delete a variable you are using in a script?
Say, you have the variable
L=<somevalue>

at the beginning of a gnuplot - scriptfile. You reach the end of this file and 
you would like to say

unset L (but this definitively does not work)

is there any means to achieve this? The reason why I am asking is the feature 
of emacs-gnuplot mode and octave to keep an open gnuplot session. If you have 
some condition like

if (exists (L)) <do something>

in your script, this only works the very fist time you source the script, 
because from then on the variable is defined.

Maybe someone has a workaround, I did not find one, maybe there's a way to 
delete the variable and I didn't find either.

Thanks for looking into this,
take care



Dieter Jurzitza

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