OutputStream: Superclass of all classes representing an output stream of...

In HenrikBengtsson/R.io: [R] Class Library - File, connection and I/O classes

Description

Package: R.io
Class OutputStream

Object
~~|
~~+--OutputStream

Directly known subclasses:
BufferedOutputStream, ConnectionOutputStream, FileOutputStream, FilterOutputStream, HtmlPrintStream, MultiOutputStream, PrintStream

public abstract static class OutputStream
extends Object

This abstract class is the superclass of all classes representing an output stream of bytes.

Usage

OutputStream()

Fields and Methods

Methods:

	close	Closes the output stream.
	finalize	Finalize method that closes the stream when it is deleted.
	flush	Flushes the output stream.
	write	Writes one or more bytes to the output stream.

Methods inherited from Object:
$, $<-, [[, [[<-, as.character, attach, attachLocally, clearCache, clone, detach, equals, extend, finalize, gc, getEnvironment, getFields, getInstanciationTime, getStaticInstance, hasField, hashCode, ll, load, objectSize, print, save

Author(s)

Henrik Bengtsson (http://www.braju.com/R/)

Examples

file <- File$createTempFile("file")

fout <- FileOutputStream(file)

# Writes the bytes 0,1,2,...,255,0,1 to the temporary file
bfr <- 0:257
write(fout, bfr)

close(fout)
cat("Wrote the bytes to ", getPath(file), ".\n", sep="")

cat("Length of the file is ", size(file), " bytes.\n", sep="")

cat("Reading the bytes from ", getPath(file), ".\n", sep="")
fin <- FileInputStream(file)
while((bfr <- read(fin, len=4096)) != -1)
  cat(formatC(bfr, width=3))
cat("\n")

close(fin)

# Deletes the temporary file
erase(file)

HenrikBengtsson/R.io documentation built on May 6, 2019, 11:54 p.m.