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Module

std/io/mod.ts

Deno standard library
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The Standard Library has been moved to JSR. See the blog post for details.
import * as mod from "https://deno.land/std@0.199.0/io/mod.ts";

Utilities for working with Deno's readers, writers, and web streams.

Reader and Writer interfaces are deprecated in Deno, and so many of these utilities are also deprecated. Consider using web streams instead.

Classes

A variable-sized buffer of bytes with read() and write() methods.

BufWriter implements buffering for an deno.Writer object. If an error occurs writing to a Writer, no more data will be accepted and all subsequent writes, and flush(), will return the error. After all data has been written, the client should call the flush() method to guarantee all data has been forwarded to the underlying deno.Writer.

BufWriterSync implements buffering for a deno.WriterSync object. If an error occurs writing to a WriterSync, no more data will be accepted and all subsequent writes, and flush(), will return the error. After all data has been written, the client should call the flush() method to guarantee all data has been forwarded to the underlying deno.WriterSync.

Reader utility for combining multiple readers

Reader utility for strings.

Writer utility for buffering string chunks.

Functions

Copy N size at the most. If read size is lesser than N, then returns nread

Read delimited bytes from a Reader.

Read big endian 32bit integer from BufReader

Read strings line-by-line from a Reader.

Read big endian 64bit long from BufReader

Read a range of bytes from a file or other resource that is readable and seekable. The range start and end are inclusive of the bytes within that range.

Read a range of bytes synchronously from a file or other resource that is readable and seekable. The range start and end are inclusive of the bytes within that range.

Read big endian 16bit short from BufReader

Read Reader chunk by chunk, splitting based on delimiter.

Slice number into 64bit big endian byte array

Interfaces

Result type returned by of BufReader.readLine().