org.unix4j.unix

Class Echo

java.lang.Object

org.unix4j.unix.Echo

public final class Echo
extends Object

Non-instantiable module with inner types making up the echo command.

NAME

echo - write arguments to standard output

SYNOPSIS

	echo <args>
	echo [-n] <string>
	echo [-n] <strings>

See Echo.Interface for the corresponding command signature methods.

DESCRIPTION

The echo utility writes any specified operands, separated by single blank (' ') characters and followed by a line ending, to the standard output. The line ending is usually one or two characters depending on the operating system where the command is run.

Options

The following options are supported:

-n

--noNewline

Do not print the trailing newline character(s).

OPERANDS

The following operands are supported:

	<string>	:	String		A string to be written to standard output.
	<strings>	:	String...		Strings to be written to standard output, separated by single blank characters.
	<args>	:	String...		String arguments defining the options for the command and the strings to be written to the output. Options can be specified by acronym (with a leading dash "-") or by long name (with two leading dashes "--").
	<options>	:	EchoOptions		Options for the echo command.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	Echo.Interface<R> Interface defining all method signatures for the "echo" command.

Field Summary

Fields

Modifier and Type	Field and Description
static EchoFactory	Factory Singleton factory instance for the "echo" command.
static String	NAME The "echo" command name.
static EchoOptionSets	Options Options for the "echo" command: n.

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

NAME

public static final String NAME

The "echo" command name.

See Also:

Constant Field Values

Options

public static final EchoOptionSets Options

Options for the "echo" command: n.

-n

--noNewline

Do not print the trailing newline character(s).

Factory

public static final EchoFactory Factory

Singleton factory instance for the "echo" command.