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38 lines
1000 B
38 lines
1000 B
extern crate grep;
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use std::env;
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use std::fs::File;
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use std::io::prelude::*;
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struct Config {
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query: String,
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filename: String,
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}
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fn main() {
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let args: Vec<String> = env::args().collect();
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let conf = parse_config(&args);
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println!("{:?} {:?}", conf.query, conf.filename);
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let mut f = File::open(&conf.filename).expect(&("file not found: ".to_owned() + &conf.filename));
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//let mut f = File::open(filename).expect(&format!("file not found: {}", &filename));
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let mut contents = String::new();
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f.read_to_string(&mut contents)
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.expect("something went wrong reading the file");
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println!("Searching for '{}'", conf.query);
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println!("In file '{}'", conf.filename);
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println!("With text:\n{}", contents);
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}
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//fn parse_config(args: &[String]) -> (&String, &String)
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//fn parse_config(args: &[String]) -> (&str, &str)
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fn parse_config(args: &[String]) -> Config {
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Config {
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query: args[1].clone(),
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filename: args[2].clone(),
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}
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}
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