commands
Class cat

java.lang.Object
  java.lang.Thread
      kernel.AbstractProcess
          commands.cat

All Implemented Interfaces:

java.lang.Runnable, IProcess

public class cat
extends AbstractProcess

Concatenates files (defined by the arguments) to the standard output, whereas the argument "-" represents the standard input. If there are no args, it only transfers the data from standard input to the standard output.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Thread

java.lang.Thread.State, java.lang.Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

cat()

Method Summary

java.lang.String	getHelp() Provides full description of the command to be used in the MAN command.
void	realization() Realizes the CAT command.

Methods inherited from class kernel.AbstractProcess

enableStdIn, equals, exec, getArgs, getCommand, getCurrentPath, getErrOut, getFirstChild, getID, getIn, getKernel, getNext, getOut, getParent, getParentCurrentPath, getParentShell, getPrevious, getServices, init, init, kill, printError, run, setCurrentPath, setErrOut, setFirstChild, setIn, setNext, setOut, setParentCurrentPath, setPrevious, toString

Methods inherited from class java.lang.Thread

activeCount, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, checkAccess, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, start, stop, stop, suspend, yield

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

cat

public cat()

Method Detail

getHelp

public java.lang.String getHelp()

Provides full description of the command to be used in the MAN command.

Returns:

Full description of the command including the syntax.

realization

public void realization()
                 throws AppException

Realizes the CAT command.

Throws:

AppException - Exception caused by an error in the virtual machines manager.