# Interface ExecOutput

public interface ExecOutput
Provides lazy access to the output of the external process.

Since:
  7.5

- ## Nested Class Summary

  Nested Classes
  Modifier and Type
  Interface
  Description
  `static interface`
  `ExecOutput.StandardStreamContent`
  A handle to access content of the process' standard stream (the standard output of the standard error output).

- ## Method Summary

  Modifier and Type
  Method
  Description
  `Provider<ExecResult>`
  `getResult()`
  Returns a provider of the execution result.
  `ExecOutput.StandardStreamContent`
  `getStandardError()`
  Gets a handle to the content of the process' standard error output.
  `ExecOutput.StandardStreamContent`
  `getStandardOutput()`
  Gets a handle to the content of the process' standard output.

- ## Method Details

  - ### getResult

    Provider<ExecResult> getResult()
    Returns a provider of the execution result.

    The external process is executed only once and only when the value is requested for the first time.

    If starting the process results in exception then the ensuing exception is permanently propagated to callers of `Provider.get()`, `Provider.getOrElse(T)`, `Provider.getOrNull()` and `Provider.isPresent()`.

    Returns:
      provider of the execution result.

  - ### getStandardOutput

    ExecOutput.StandardStreamContent getStandardOutput()
    Gets a handle to the content of the process' standard output.
    Returns:
      handle of the standard output of the process.

  - ### getStandardError

    ExecOutput.StandardStreamContent getStandardError()
    Gets a handle to the content of the process' standard error output.
    Returns:
      handle of the standard error output of the process.