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README
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1992-05-13
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Welcome to RExL version 2.1 !
-----------------------------
What is RExL ?
--------------
RExL is a fourth generation language product for PC-compatible
computers. RExL contains a dBase compatible database module with
full indexing capabilities, a comprehensive screen and forms
designer, a folding text editor and a debugger and runtime
module. It is aimed at people who want to create powerful
applications, with a consistent user interface, easily and
simply.
RExL has its own internal language (with over 180 functions),
similar to BASIC, which is linked in a unique way with the
concept of rules and logic to make programming more intuitive.
The full screen debugger is based upon industry standard
products and features step, trace, watch, evaluate, animate,
breakpoints and many more useful commands.
Why should I use RExL ?
-----------------------
RExL scores over other applications development environments
because of the intimate way in which the editor, the language
and the screens and forms designer are linked.
It allows you to use industry compatible data and index files
and to swap information with systems such as Clipper, dBase,
FoxPro and all other software tools adhering to the dBase
standard.
There's also a postfix compiler module, available in the
registered version, which can produce standalone DOS executable
files which run two to four times as fast as the interpreted
code used in standard runtime/debugger module.
Why is this product distributed via shareware ?
-----------------------------------------------
RExL is shareware which means that we do not spend large sums of
money promoting our products via advertising. We're therefore
able to keep costs down and to concentrate on what we do best:
writing excellent software.
We also believe that software should be sold like any other
commodity, where users can `test-drive' something before they
buy it. There's nothing more maddening than spending a few
hundred dollars on a package before you discover that it doesn't
do what you thought it did.
`Try before you buy!' is our motto.
What's in this archive :
------------------------
README. - This file
WHATSNEW.210 - New features in 2.1. Read this!
REXL.EXE - RExL editor
REXLRD.EXE - RExL runtime and debugger module
LICENSE.DOC - Licensing/ordering and general information about RExL
ORDER.FRM - Order form
EXAMPLES.EXE - Sample applications and demos.
Contains:
ADDRESS.RXL : Simple address book application
ADDRESS.SCR : Screens for above
ADDRESS.DBF : Database for above
ADDRESS.NDX : Index file for above
ADDRESS.BAT : Batch file to run address book
GUIDE.RXL : Brief guide to RExL
GUIDE.SCR : Screens for above
GUIDE.BAT : Batch file to run guide application
SCREENS.RXL : Demonstration of RExL screens
SCREENS.SCR : Screen file for above
SCREENS.BAT : Batch file to run above
FUNCTEST.RXL : Examples of most RExL functions
DAT.RXL : Date printing example
LOGIC.RXL : Example of rule types and rule logic
MCB.RXL : Memory usage display application
TINYADDR.RXL : Tutorial version of address application
TINYADDR.RXL : Screen file for above
DOCS.EXE - RExL documentation and help file.
Contains:
REXL.DOC : Main RExL Manual
APPENDIX.DOC : Appendices to RExL manual
REXL.HLP : Online help file
When you copy RExL, please make sure that you copy all the files
listed above. Nobody gains if they receive the editor without
the runtime, the documentation without the executables or
whatever!
The files APPS.EXE and DOCS.EXE are self extracting archive
files. You'll need about 500k free for extracting the 250 pages
of documentation plus an additional 195k for the help file. The
sample files require about 100k of disk space. The entire set up
requires just over one megabyte.
The setup in this archive file allows you to create and run
applications in RExL with no restrictions in the code. You're
getting the full editor and runtime-debugger. When you register
your copy of RExL with us, we'll send you the latest version of
RExL, the extra utilities and a printed and indexed manual. Note
that you cannot distribute applications written in RExL without
being a registered user (you'll need the runtime module or
postfix compiler, apart from any legal obligations).
Ordering :
----------
To order, contact:
The Software Loft,
Lough Guitane
Killarney,
Co. Kerry,
Ireland. Tel: [+353] 64-54014
We can also be contacted via electronic mail:
Compuserve : 100042,1237
Internet/Bitnet: softloft@iruccvax.ucc.ie
See the file LICENSE.DOC for the details on registration, the
RExL license and the extra utilities available when you
register.
Note to users of Version 2.00 :
-------------------------------
If you have used RExL version 2.00 and created applications with
it, then your applications will have to be exported from version
2.00 using the ASCII|Save file menu option and then reloaded
into version 2.10 using the ASCII|Load file option. This is
because of updates to the internal listing format.
Finally :
---------
Thank you for trying out RExL. We hope that it will be of use to
you and also hope that you will support us so that we can
continue to produce upgrades and widen our product field.
-- Robin Hilliard,
Head of Development,
The Software Loft.