llines ( stream -- result )
Lazy lists » Lazy list I/O

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lcontents ( stream -- result )

Vocabulary
lists.lazy

Inputs

stream

a stream

Outputs

result

a list

Word description
Returns a lazy list of all lines in the file. car returns the next lines in the file, cdr returns the remaining lines as a lazy list. nil? indicates end of file.

See also
lcontents

Examples

USING: io io.encodings.utf8 io.files lists lists.lazy namespaces prettyprint ; "resource:LICENSE.txt" utf8 [ 1 lfrom input-stream get llines lzip cdr car . ] with-file-reader
{ 2 "All rights reserved." }

Definition

USING: io ;

IN: lists.lazy

: llines ( stream -- result ) f f [ stream-readln ] <lazy-io> ;