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<div><h1 id="a0000000078">1.2 !</h1>
<p><a name="a0000000980" id="a0000000980"></a> </p><pre>
! <shell command>
... `<shell command>` ...
</pre><p>Shell commands can be executed within PyXPlot by prefixing them with pling (!) characters, as in the example: </p><pre>
!mkdir foo
</pre><p>As an alternative, back-quotes (‘) can be used to substitute the output of a shell command into a PyXPlot command, as in the example: </p><pre>
set xlabel `echo "'" ; ls ; echo "'"`
</pre><p>Note that back-quotes cannot be used inside quote characters, and so the following would <i class="itshape">not</i> work: </p><pre>
set xlabel '`ls`'
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