ExternalEvaluators
Listing of External Evaluators »finds installed external evaluators that can be used with ExternalEvaluate.
ExternalEvaluators["sys"]
finds only external evaluators for language or system sys.
Details
- ExternalEvaluators searches standard paths, including Environment["PATH"], for evaluator system installations.
- In ExternalEvaluators[sys], possible choices of sys include:
-
"Python" Python "NodeJS" JavaScript running through Node.js "Julia" Julia "Ruby" Ruby "R" R "Shell" Bash, Sh, Zsh, ... "Jupyter" Jupyter kernel "SQL" SQL database "SQL-JDBC" SQL database using JDBC - ExternalEvaluators returns a list of ExternalEvaluatorObject instances.
- Evaluator systems can be explicitly registered with RegisterExternalEvaluator and unregistered with UnregisterExternalEvaluator.
- StartExternalSession can be used to start a session from an evaluator object.
Examples
open all close allBasic Examples (3)
List all external evaluators on the system:
List only evaluators for a specific system:
Take the first available "Shell" evaluator:
Run an evaluation using ExternalEvaluate:
Properties & Relations (1)
Create an ExternalEvaluatorObject:
Use "Properties" to return evaluator properties:
Text
Wolfram Research (2025), ExternalEvaluators, Wolfram Language function, https://reference.wolfram.com/language/ref/ExternalEvaluators.html.
CMS
Wolfram Language. 2025. "ExternalEvaluators." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/ExternalEvaluators.html.
APA
Wolfram Language. (2025). ExternalEvaluators. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/ExternalEvaluators.html