40 lines
853 B
Text
40 lines
853 B
Text
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use std::env;
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use std::fs;
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use std::process;
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fn main() {
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let args: Vec<String> = env::args().collect();
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let config = Config::build(&args).unwrap_or_else(|err| {
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println!("Problem parsing arguments: {err}");
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process::exit(1);
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});
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run(config);
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}
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fn run(config: Config) -> Result<(), Box<dyn Error>> {
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let contents =
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fs::read_to_string(config.file_path).expect("Should have have been able to read the file!");
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println!("With text:\n{contents}");
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}
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struct Config {
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query: String,
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file_path: String,
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}
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impl Config {
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fn build(args: &[String]) -> Result<Config, &'static str> {
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if args.len() < 3 {
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return Err("not enough arguments!");
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}
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let query = args[1].clone();
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let file_path = args[2].clone();
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Ok(Config { query, file_path })
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}
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}
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