Does anyone know the best place where I can go to see the differences
between the variations of JEXL? I've noted the following so far.
Expression
This only allows for a single command to be executed and the result from
that is returned. If you try to use multiple commands it ignores
everything after the first semi-colon and just returns the result from
the first command.
Script
This allows you to put multiple commands in the expression and you can
use variable assignments, loops, calculations, etc. The result from the
last command is returned from the script.
Unified
This is ideal for text. To get a calculation you use the EL-like syntax
as in ${someVariable}. The expression that goes between the brackets
behaves like a script, not an expression. You can use semi-colons to
execute multiple commands and the result from the last command is
returned from the script.
Thanks,
Sarel
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