commands
Class grep

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

All Implemented Interfaces:

java.lang.Runnable, IProcess

public class grep
extends AbstractProcess

Searches the files given by the input arguments for a specific pattern. If there are no files requested or the argument "-" is used, the command finds the pattern in the standard input.

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

grep()

Method Summary

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

grep

public grep()

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 GREP command.

Throws:

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