ExpressionTool Class

Execute an expression as a process step.

Fields

expression

(Expression) The expression to execute. The expression must return a JSON object which matches the output parameters of the ExpressionTool.

Examples

ExpressionTool(
  expression =
    Expression(
      engine = "cwl:JsonPointer",
      script = "$job.inputs['threads']"
    )
)
#> id: '#'
#> inputs: []
#> outputs: []
#> requirements: []
#> hints: []
#> class: ExpressionTool
#> expression:
#>   engine: cwl:JsonPointer
#>   script: $job.inputs['threads']
#>   class: Expression
#>