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Function FILE-LENGTH

Syntax

  • file-length streamlength

Arguments and Values

Description

file-length returns the length of stream, or nil if the length cannot be determined.

For a binary file, the length is measured in units of the element type of the stream.

Examples

(with-open-file (s "decimal-digits.text" :direction :output :if-exists :error) (princ "0123456789" s) (truename s)) → #P"A:>Joe>decimal-digits.text.1" (with-open-file (s "decimal-digits.text") (file-length s)) → 10

Side Effects

None.

Affected By

None.

Exceptional Situations

Should signal an error of type type-error if stream is not a stream associated with a file.

See Also

Notes

None.