:EVAL

Purpose

Evaluates an expression in an external language.

Parameters

expression
An expression to be evaluated.

Examples

  (:EVAL (:JAVA (org.algernon.test.MiscellanyTest.date1)))
  (:EVAL (:LISP (print "hello " ?person)))
  (:EVAL (:SHELL "ls -l > $HOME/dir.txt"))

Success criteria

Always succeeds unless an error occurs in the evaluation of the expression.

Failure criteria

Fails only if an error occurs during evaluation of the expression.

Notes

See also the syntax for calling external functions.

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