read-string -- r7rs Definition

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Kind

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procedure;

Implemented by

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• read-string (from vonuvoli);

Procedure signature

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Procedure variants:

• ((range-length-not-zero) -> (string-not-empty-or-eof))
  • input: a value of type range-length-not-zero;
  • output: a value of type string-not-empty-or-eof;
• ((range-length-not-zero textual-input-port-eof) -> (eof-object))
  • inputs:
    • a value of type range-length-not-zero;
    • a value of type textual-input-port-eof;
  • output: a value of type eof-object;
• ((range-length-not-zero textual-input-port-open) -> (string-not-empty-or-eof))
  • inputs:
    • a value of type range-length-not-zero;
    • a value of type textual-input-port-open;
  • output: a value of type string-not-empty-or-eof;

Exports

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• scheme:base -- (scheme base);

Exports recursive

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• scheme -- (scheme);

Description

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(read-string k)
(read-string k port)

Reads the next k characters, or as many as are available before the end of file, from the textual input port into a newly allocated string in left-to-right order and returns the string. If no characters are available before the end of file, an end-of-file object is returned.

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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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• range-length-not-zero;
• string-not-empty-or-eof;
• textual-input-port-eof;
• eof-object;
• textual-input-port-open;