Runtime evaluation/In an environment: Difference between revisions

gnu octave
(added php, changed perl to lexical)
(gnu octave)
Line 28:
(- at-b at-a)))
</lang>
 
=={{header|Octave}}==
 
<lang octave>p = "x .* 2";
x = [1:3];
a = eval(p);
x = [4:6];
b = eval(p);
disp(b-a);</lang>
 
Output:
<pre>6 6 6</pre>
 
=={{header|Perl}}==