AJ ONeal
6 年前
共有 5 个文件被更改,包括 58 次插入 和 1 次删除
@ -0,0 +1,4 @@ |
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[[package]] |
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name = "grep" |
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version = "0.1.0" |
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@ -0,0 +1,9 @@ |
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I'm nobody! Who are you? |
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Are you nobody, too? |
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Then there's a pair of us - don't tell! |
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Theyd' banish us, you know. |
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How dreary to be somebody! |
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How public, like a frog |
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To tell your name the livelong day |
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To an admiring bog! |
@ -0,0 +1,3 @@ |
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pub fn run() { |
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println!("hello") |
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} |
@ -1,3 +1,38 @@ |
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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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println!("Hello, world!"); |
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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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