Abundance (programming language)

Abundance (programming language)

Abundance is a Forth-inspired programming language for DOS, created by Roedy Green.

History

Roedy Green implemented Abundance in 1981 as a platform for data entry and management, as part of the volunteer work he was doing for The Hunger Project in Canada.cite web
author = Roedy Green
title = Abundance
url = http://mindprod.com/jgloss/abundance.html
work = Java & Internet Glossary
]

The name is a reference to the goal of "serving charities working to create an "Abundance" of food water and shelter on the planet", and was coined by Esther Palivoda. (Roedy originally planned to call it "Enough".)

Jaunting

One unconventional feature of Abundance is the use of continuations to implement data entry form navigation, in a process known as "jaunting". Jaunting works by saving a continuation for every data field that the user enters, and restoring the associated continuation when a particular field needs to be made active.

This approach allows complicated data validation rules to be written in a simple linear style, while allowing the user to jump between fields in a non-linear fashion.

Trivia

* NASA's Jet Propulsion Laboratory used parts of Abundance in their unmanned spacecraft control software. [cite web
author = Roedy Green
title = AB.TXT
url = http://mindprod.com/precis/ab.txt
]

References

* cite magazine
author = Roedy Green
month = October
year = 1986
title = Abundance, a public domain powerhouse
journal = Byte
volume = 11
issue = 10


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