QLIPER 48

Invierno 1994


EN ESTE DISCO...
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-- QL-REXX --
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SJS 56:- QL-REXX. A REXX INTERPRETER FOR THE QL.

QL-REXX IS A HIGH-LEVEL LANGUAGE USEFUL FOR PROTOTYPING, SOFTWARE
INTEGRATION AND GENERAL PROGRAMMING TASKS. IT IS AN IMPLEMENTATION
OF THE REXX LANGUAGE DESCRIBED BY M.F. COWLISHAW IN:-

"THE REXX LANGUAGE: A PRACTICAL APPROACH TO PROGRAMMING"

(PRENTICE-HALL,1985) AND FOLLOW THE LANGUAGE DEFINITION CLOSELY.

QL-REXX IS PARTICULARLY WELL SUITED AS A COMMAND LANGUAGE.

COMMAND PROGRAMS, SOMETIMES CALLED "SCRIPTS" OR "MACROS", ARE WIDELY
USED TO EXTEND THE PREDEFINED COMMANDS OF AN OPERATING SYSTEM OR 
TO CUSTOMIZE AN APPLICATIONS PROGRAM.

AS A PROGRAMMING LANGUAGE, QL-REXX CAN BE USEFUL TO A WIDE CROSS
SECTION OF USERS. FOR THE NOVICE PROGRAMMER, REXX IS AN
EASY-TO-LEARN YET POWERFUL LANGUAGE THAT SERVES AS A GOOD 
INTRODUCTION TO PROGRAMMING TECHNIQUES. ITS SOURCE-LEVEL DEBUGGING 
FACILITIES WILL HELP TAKE SOME OF THE MYSTERY OUT OF HOW PROGRAMS 
WORK(OR DON'T WORK,AS IS MORE FREQUENTLY THE CASE.)

FOR THE MORE SOPHISTICATED USER, QL-REXX PROVIDES THE MEANS TO BUILD
FULLY INTEGRATED SOFTWARE PACKAGES, COMBINING DIFFERENT APPLICATIONS
PROGRAMS INTO AN ENVIRONMENT TAILORED TO THEIR NEEDS. 
A COMMON COMMAND LANGUAGE AMONG APPLICATIONS THAT SUPPORT REXX 
WILL BRING UNIFORMITY TO PROCEDURAL INTERFACES.

FINALLY, FOR THE SOFTWARE DEVELOPER,REXX OFFERS A STRAIGHTFORWARD
WAY TO BUILD FULLY PROGRAMMABLE APPLICATIONS PROGRAMS. DEVELOPERS 
CAN CONCENTRATE THEIR EFFORTS ON MAKING THE BASIC OPERATIONS OF 
THEIR PROGRAMS FAST AND EFFICIENT AND LET THE END USER ADD THE
FRILLS AND CUSTOM FEATURES.

UPDATED. NOW INCLUDES SOURCE CODE.


-- Pantallas --
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5 pantallas digitalizadas totalmente llenas de humor en MODE 8
procedentes de la revista INFORMA 18 NOVIEMBRE 1993.

inventario_txt (Tesoro de QLiper)
oferta_doc (La programoteca QLiper)