Prime Checker - Elvish Typing CST Test
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Prime Checker — Elvish Code
Checks if a number is prime.
fn isPrime [n]{
if (math $n < 2) { return $false }
for i (2..(math $n - 1)) {
if (math $n % $i == 0) { return $false }
}
return $true
}
echo (if (isPrime 13) {"Prime"} else {"Not Prime"})Elvish Language Guide
Elvish is a modern, expressive shell and scripting language designed for interactive use and automation. It emphasizes structured data, pipelines, modularity, and user-friendly syntax, combining features from traditional Unix shells with modern programming concepts.
Primary Use Cases
- ▸Interactive shell for Unix/Linux systems
- ▸Automation scripts for system tasks
- ▸Structured data pipelines and processing
- ▸Custom command extensions
- ▸Rapid prototyping of shell scripts
Notable Features
- ▸Structured data pipelines with lists, maps, and records
- ▸Modern, user-friendly syntax
- ▸Built-in support for functions, modules, and namespaces
- ▸Interactive editing and command completion
- ▸Error handling and rich debugging features
Origin & Creator
Created by Jeffrey Shu, first released in 2014.
Industrial Note
Elvish is particularly useful in environments where shell automation, interactive data processing, and structured scripting pipelines are needed.