This simple program is just to simulate the problem that ".out" does not go out of a procedure if the last command is "return"
bash$ gdl
GDL - GNU Data Language, Version v1.0.6-16-gc154de16
GDL> doit
% Compiled module: DOIT.
% Stop encountered: DOIT 3 /home/chris/doit.pro
GDL> .out
5
GDL> help
% At DOIT 4 /home/chris/doit.pro
$MAIN$
This simple program is just to simulate the problem that ".out" does not go out of a procedure if the last command is "return"