Another Quote by Alan Perlis
“Every program has two purposes: The one for which it was written and another for which it wasn't.”
About This Quote
Source Book: Programming Languages: Application and Interpretation, 1984
Software often serves both intended and unintended purposes, revealing hidden utility.
In simple terms: Programs have extra uses.
Key Takeaway
Design for flexibility.
Themes
software design
purpose
unintended effects
Mood
analytical
cautious
Type
theoretical
practical
When to use this quote
- software development
- system integration
- legacy code
- feature extension
Key Concepts
abstraction
emergent behavior
Questions to Reflect On
- What hidden uses might your code have?
- How can you mitigate unintended effects?
A Different Perspective
Unintended uses may cause security risks.
