March 2005
Intermediate to advanced
720 pages
17h 35m
English
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Chapter 25. Rexx for Palm OS
Overview
Palm OS is an operating system that runs on a wide variety of handheld, tablet-style computers, such as the Palm Pilot and its many competitors. It also runs on other small devices including mobile and smart phones. Palm OS is among the most popular operating systems for handheld consumer devices.
Rexx for Palm OS is a Rexx interpreter that runs natively under the Palm OS operating system. It enables the creation of scripts and utilities for handheld PCs that extends their usefulness. It accesses all Palm resources and integrates them in unique fashion. This chapter describes the product and presents a brief tutorial with sample scripts.
First, we start by listing and discussing the features of the Rexx for Palm OS interpreter. We describe how to download and install the product. Then, the tutorial takes you through progressive examples that show how to use the product to script Palm handhelds. The first script simply displays a memo on the screen of the handheld. It shows how to access Palm resources. Subsequent scripts search and copy databases, and demonstrate stream I/O and how to control, manage, and search for files. Several scripts present information on how to communicate with the Palm using infrared, USB, and serial ports, and TCP/IP communications. Finally, a rather ambitious script selects and plays a song. This script searches for a music file and plays it through MIDI output.
By the end of the chapter, you'll be able to script almost ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.