captureoutputTrue

captureoutputTrue is a boolean flag used in certain software libraries and APIs to request that a function or external command capture its standard output (stdout) instead of writing it directly to the terminal or console. When set to true, the function typically returns the captured output to the caller, either as a string or a byte sequence, along with possible status information.

Scope and behavior: The effect usually applies to stdout; in some implementations stderr may also be captured. The captured data is stored in an internal buffer until the function completes, allowing post-processing or testing. Depending on the API, the capture may be synchronous, returning after the command finishes, or asynchronous, delivering data via callbacks or futures.

Usage and examples: The exact syntax varies by language and library. In some pseudo code: result = runCommand('ls -la', captureoutputTrue). In languages with mature subprocess APIs, the equivalent is often capture_output=true or stdio='pipe'. The term captureoutputTrue may be encountered in documentation or as part of custom wrappers rather than a standard language feature.

Limitations and considerations: Capturing output can affect performance, require additional memory for buffering, and may prevent real-time streaming. Some environments disallow capturing of certain streams or modify encoding rules. Users should consult the API reference for details on return types, error handling, and encoding.

See also: capturing stdout and stderr, subprocess, pipes, capture_output, redirection.