$Failed

$Failed

is a special symbol returned by certain functions when they cannot do what they were asked to do.

Details

  • Get returns $Failed when it cannot find the file or other object that was specified.

Examples

Basic Examples  (1)

Opening a non-existing file is an operation that returns $Failed:

Wolfram Research (1991), $Failed, Wolfram Language function, https://reference.wolfram.com/language/ref/$Failed.html.

Text

Wolfram Research (1991), $Failed, Wolfram Language function, https://reference.wolfram.com/language/ref/$Failed.html.

CMS

Wolfram Language. 1991. "$Failed." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/$Failed.html.

APA

Wolfram Language. (1991). $Failed. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/$Failed.html

BibTeX

@misc{reference.wolfram_2022_$failed, author="Wolfram Research", title="{$Failed}", year="1991", howpublished="\url{https://reference.wolfram.com/language/ref/$Failed.html}", note=[Accessed: 26-September-2022 ]}

BibLaTeX

@online{reference.wolfram_2022_$failed, organization={Wolfram Research}, title={$Failed}, year={1991}, url={https://reference.wolfram.com/language/ref/$Failed.html}, note=[Accessed: 26-September-2022 ]}