file-exists? -- r7rs Definition

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Kind

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procedure;

Implemented by

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• file-exists? (from vonuvoli);

Procedure signature

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Procedure variants:

• ((path-string) -> (boolean))
  • input: a value of type path-string;
  • output: a value of type boolean;

Exports

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• scheme:file -- (scheme file);

Exports recursive

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• scheme -- (scheme);

Description

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(file-exists? filename)

Domain: It is an error if filename is not a string.

The file-exists? procedure returns #t if the named file exists at the time the procedure is called, and #f otherwise.

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The text herein was sourced and adapted as described in the "R7RS attribution of various text snippets" appendix.

Referenced-types

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• path-string;
• boolean;