# Args Extractor
Extracting arguments from a command line (prompt) is much easier than ever !
## Classic usage
For this prompt : `echo "hello world" | ./your_program arg1 arg2 -i -f file.txt`
PromptExtractor will extract :
- program_name : `"./your_program"`
- content_piped : `Some("hello world\n")`
- arguments : `Some(["arg1", "arg2"])`
- parameters: `Some({"-i": [], "-f": ["file.txt"]})`
``` rust
use args_extractor::{Prompt, PromptExtractor};
fn main() -> Result<(), String> {
let prompt = PromptExtractor::extract()?;
println!("{:?}", prompt);
// # For your own Configuration building process
// let config = Config::build(prompt)?;
Ok(())
}
```
## Mock usage
``` rust
use args_extractor::{Prompt, PromptExtractor};
use std::vec::IntoIter;
fn string_into_iter(input: &str) -> IntoIter<String> {
input.split_whitespace().map(String::from).collect::<Vec<String>>().into_iter()
}
fn main() -> Result<(), String> {
let args = string_into_iter("program.exe arg1 arg2 -i -f file.txt");
let prompt = PromptExtractor::extract_from(args)?;
println!("{:?}", prompt);
// # For your own Configuration building process
// let config = Config::build(prompt)?;
Ok(())
}
```