Rexx supplies the following sample
programs as &per;cmd ,
.cls (a package meant to be used via the
::REQUIRES directive) and .frm (a package meant to be used via the
::REQUIRES directive) files.
Platform independent samples
arithmeticEvaluation&per;cmd |
This program demonstrates a number of principles of object-oriented programming.This implements a
simple expression evaluator that builds a parse tree for an arithmetic expression that can also
evaluate the This program demonstrates how to given expression. use reply to run two methods at the
same time. |
arrayCallback&per;cmd |
This program demonstrates how routines can be used to perform a function
over all elements in an array.
|
ccreply&per;cmd |
A concurrent programming example.This program demonstrates how to
use reply to run two methods at the same time. |
complex.cls |
A complex number class.This program demonstrates how to create a
complex number class using the ::CLASS and
::METHOD directives. An example
of subclassing the complex number class (the Vector subclass) is also shown.
Finally, the Stringlike class demonstrates the use of a mixin to provide to
the complex number class with some string behavior. |
concurrency&per;cmd |
This is a simple demonstration of multi-threaded execution with some
syncronization between the threads.
|
constrained&per;cmd |
Demonstrate how to use the isA method to check for particular types
of objects.
|
delegation&per;cmd |
Demonstrate the concept of a object method delegation, where one object
can pass on a method to another object
|
drives&per;cmd |
A sample use of the Sys... functions.This program displays information
about drives using the utility functions SysDriveMap, SysDriveInfo,
SysFileSystemType, and SysBootDrive. |
dynamicMethod&per;cmd |
This program demonstrates how methods can be dynamically added to an
object instance.
|
factorial&per;cmd |
A sample that demonstrates a factorial method routine.This sample defines a floating method (one that is not assigned to a class) that
implements a factorial algorithm. Using the.methodsenvironment symbol
this method gets fetched and added under the name factorial
to the class named factorial_class,
created as a subclass of the String class.
|
greply&per;cmd |
An example contrasting the GUARDED and
UNGUARDED methods.This program demonstrates the difference between GUARDED and
UNGUARDED methods with respect
to their use of the object variable pool. |
guess&per;cmd |
An animal guessing game.This sample creates a simple node class
and uses it to create a logic tree. The logic tree is filled in by playing
a simple guessing game. |
interface&per;cmd |
This program demonstrates to define an interface class in ooRexx.
object instance.
|
ktguard&per;cmd |
A GUARD instruction example.This program demonstrates the use of
the START method and the GUARD
instruction to control the running of several
programs. In this sample, the programs are controlled by one "guarded"
variable. |
makestring&per;cmd |
A sample to demonstrate a combination of makearray method of the stream
and makestring method of the array class.
The sample creates a temporary file with text, reads in all data using
the makearray method of the stream class, removes all comments of the
file and writes back data to a temporary file using the makestring
method of the array class. After displaying the content of the input
and output file, the temporary files are removed from the system.
|
month&per;cmd |
An example that displays the days of the monthJanuary 1994.This version demonstrates the use of arrays to replace stems. |
philfork&per;cmd |
Philosophers' Forks: Console window version.
Sample for concurrency with command line output.
|
pipe.cls |
A pipeline implementation.This program demonstrates the use of the
::CLASS and ::METHOD directives to create a simple implementation of a CMS-like
pipeline function. |
properties&per;cmd |
This program demonstrates the Properties class.
|
qdate&per;cmd |
An example that types or pushes today's date and moon phase, in
English date format.
|
qtime&per;cmd |
An example that lays or stacks time in English time format, and also
chimes.
|
rexxcps&per;cmd |
Measuring REXX clauses/second.
|
scclient&per;cmd |
Simple socket client using socket class (package socket.cls).
|
scserver&per;cmd |
Simple socket server using socket class (package socket.cls).
|
semcls.cls |
This Rexx package demonstrates how to implement public semaphore classes
(EventSemaphore,
MutexSemaphore) in Object Rexx.
|
sfclient&per;cmd |
Simple socket client using socket function package.
|
sfserver&per;cmd |
Simple socket server using socket function package.
|
singleLinkedList&per;cmd |
A simple implementation of a linked list using objects.
|
singleton.cls |
A metaclass (a subclass of Class) named
Singleton that makes
sure that only one (a single) instance gets created for a class that employs this metaclass.
|
sortComposite&per;cmd |
Demonstrates on how to sort non-string objects using the built in sort methods.
|
stack&per;cmd |
A stack class.This program demonstrates how to implement a stack
class using the ::CLASS and ::METHOD directives. Also included is a short
example of the use of a stack. |
synchronousConcurrency&per;cmd |
This uses a work queue to synchronize activity between two independent threads
|
timezone&per;cmd |
Sample of performing timezone manipulations. Also shows a handy technique for embedding data in program.
|
treeDirectory.cls |
A directory implementation using a balanced binary tree. Unlike the directory class, indexes are maintained in sorted order.
|
treeTraversal&per;cmd |
Build a binary tree structure and demonstrate different traversal methods (preorder, inorder, postorder and levelorder traversals).
|
usecomp&per;cmd |
A simple demonstration of the complex number class.This program
demonstrates the use of the ::REQUIRES directive, using the complex number
class implemented in the package complex.cls . |
usepipe&per;cmd |
Sample uses of the pipe implementation in package pipe.cls .This program demonstrates how you could use the pipes implemented
in the package pipe.cls. |
usesingleton&per;cmd |
Sample use of the metaclass named Singleton
defined in package singleton.cls , which makes sure that
only one (a single) instance of the singletonExample class can be
created. |
usetree&per;cmd |
Sample uses of the pipe implementation in package treeDirectory.cls.This program
demonstrates how you could use the treeDirectory class implemented
in the package treeDirectory.cls. |
Windows only samples
ole\\apps\\MSAccessDemo&per;cmd |
Demonstrate how one can interact withJet (MS Access)
databases usingActiveX/OLE.
|
ole\\apps\\oleUtils.frm |
Provides some useful utilities for working with the OLEObject class.
|
ole\\apps\\samp01&per;cmd |
StartsInternet Explorerand shows theIBMhomepage.
After 10 seconds theIBMnews page is displayed.
|
ole\\apps\\samp02&per;cmd |
Shows some features of theWindows Scripting Host Shellobject:
- Query environment string
- List special folders
- Create a shortcut on the desktop
|
ole\\apps\\samp03&per;cmd |
Shows some features of theWindows Scripting Host Network
object:
- Query computer name, user name
- List network connections for drives and printers
|
ole\\apps\\samp04&per;cmd |
Creates a mail message in
Lotus Notes
and sends it to a number of recipients automatically.
|
ole\\apps\\samp05&per;cmd |
Creates a new document inLotus WordPro 97,
enters some text with different attributes, and finally saves and prints the document.
|
ole\\apps\\samp06&per;cmd |
Creates a new document inLotus WordPro 97with
a providedSmartmaster.
Fills in some"Click here"fields with data prompted by the program or
queried from the system. Finally the document is saved to the directory in which this Rexx
program is located and is sent to the printer.
|
ole\\apps\\samp07&per;cmd |
Creates a new spreadsheet in
Lotus 1-2-3
and fills in a table with fictional
revenue numbers. The table also contains a calculated field and different
styles. A second sheet is added with a 3D chart displaying the revenue data.
|
ole\\apps\\samp08&per;cmd |
Creates aMicrosoft Worddocument, enters some text,
and saves it. The program then loads the document again and modifies it.
|
ole\\apps\\samp09&per;cmd |
Creates aMicrosoft Excelsheet, enters some data,
and saves it.
|
ole\\apps\\samp10&per;cmd |
Uses theWindows Script Host FileSystemObjectto obtain information
about the drives of the system.
|
ole\\apps\\samp11&per;cmd |
Gets the stock price from the RexxLA internet page with
Microsoft Internet Explorer, and stores it in a Rexx variable.
|
ole\\apps\\samp12&per;cmd |
Demonstrates the use of events with Microsoft Internet Explorer:
- Navigate to the RexxLA homepage and disallow the changing of the URL to a
page not in that "address space".
|
ole\\apps\\samp13&per;cmd |
Demonstrates the use of events with Microsoft Internet Explorer:
- Search for the string "Rexx" on the RexxLA Web page, and go randomly
to one of the found sites.
|
ole\\oleinfo\\oleinfo&per;cmd |
This application is a "small" browser for OLE objects.
|
ole\\adsi\\adsi1&per;cmd |
Retrieves information about a computer withADSI.
|
ole\\adsi\\adsi2&per;cmd |
Gets a user's full name and changes it.
|
ole\\adsi\\adsi3&per;cmd |
Shows the use ofADSIcontainers.
|
ole\\adsi\\adsi4&per;cmd |
Shows the use of filters withADSIcollections.
|
ole\\adsi\\adsi5&per;cmd |
Displays namespaces and domains.
|
ole\\adsi\\adsi6&per;cmd |
Enables you to inspect the properties of an object.
|
ole\\adsi\\adsi7&per;cmd |
Creates a group, and places several users in it.
|
ole\\adsi\\adsi8&per;cmd |
Removes the users and the group that were created in sample adsi7.rex.
|
ole\\methinfo\\main&per;cmd |
This application demonstrates the use of the GetKnownMethods method.
|
ole\\wmi\\accounts&per;cmd |
This is a demo application for displaying all the accounts of the windows
system withWMI. It also shows how to display all the properties of aWMI
object in general.
|
ole\\wmi\\services&per;cmd |
This application demonstrates how to list, start, stop, pause, or resume
windows services withWMI.
|
ole\\wmi\\process&per;cmd |
This application displays by means ofWMIthe processes of a windows
system that are running.
|
ole\\wmi\\osinfo&per;cmd |
This sample script uses aWindows Management Instrumentation (WMI)
object ("Win32_OperatingSystem") to obtain information about the installed
operating system(s).
|
ole\\wmi\\sysinfo\\sysinfo&per;cmd |
This is a demo application for inspecting some system properties using
WMI.
|
oodialog\\winsystem\\deskicon&per;cmd |
A WindowsProgramManager class example.This sample uses the method
addDesktopIcon of theWindowsProgramManager
class to create a shortcut to
a program or an application on the Windows desktop. |
oodialog\\winsystem\\desktop&per;cmd |
This program demonstrates how you could use the
WindowsProgramManager class to manipulate program groups and program items.
|
oodialog\\winsystem\\displayAnyMenu&per;cmd |
Displays the menu hierarchy for a window that the user picks.It uses the functionality of
the windowsSystem.frm Rexx package which makes it easy to use the most
important functionality of the winsystm.cls and
ooDialog.cls Rexx packages.
In addition it demonstrates the usage of winSystemDlgs.h and winSystemDlgs.rc files
that define Windows graphical user interfaces (GUI).
|
oodialog\\winsystem\\displayWindowTree&per;cmd |
Displays the window hierarchy for a top level window that the user picks.It uses the functionality of
the windowsSystem.frm Rexx package which makes it easy to use the most
important functionality of the winsystm.cls and
ooDialog.cls Rexx packages.
In addition it demonstrates the usage of winSystemDlgs.h and winSystemDlgs.rc files
that define Windows graphical user interfaces (GUI).
|
oodialog\\winsystem\\eventlog&per;cmd |
A sample use of the WindowsEventLog class.This sample demonstrates
how to read from and write to the Windows event log using the methods of
the WindowsEventLog class. |
oodialog\\winsystem\\getTheWindow&per;cmd |
This example shows how to find a window without using the exact window title.Displays the window containing part of the user supplied window title irrespective of case.
It uses the functionality of the winsystm.cls Rexx package.
|
oodialog\\winsystem\\menuNotepad&per;cmd |
This example displays the hierarchy of the Notepad menu.It uses the functionality of
the windowsSystem.frm Rexx package which makes it easy to use the most
important functionality of the winsystm.cls and
ooDialog.cls Rexx packages.
|
oodialog\\winsystem\\quickShowAllMenus&per;cmd |
This program prints out a menu outline of every open window that has a menu.It uses the functionality of
the windowsSystem.frm Rexx package which makes it easy to use the most
important functionality of the winsystm.cls and
ooDialog.cls Rexx packages.
|
oodialog\\winsystem\\registry&per;cmd |
This program demonstrates how you could use the WindowsRegistry class
to work with the Windows registry.
|
oodialog\\winsystem\\windowsSystem.frm |
A Rexx package (a collection of public routines and classes) to help work with
the winsystm.cls package.
It demonstrates the usage of winSystemDlgs.h and winSystemDlgs.rc files
that define Windows graphical user interfaces (GUI).
|