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  1. extern crate regex;
  2.  
  3. use std::process::Command;
  4. use regex::Regex;
  5.  
  6. fn resolve_status(status: &str) -> () {
  7.     if status == "[playing]" {
  8.         print!(">> ");
  9.         } else if status == "[paused]" {
  10.         print!("|| ");
  11.         } else {
  12.         print!("");
  13.         }
  14. } 
  15.  
  16. fn main() {     
  17.     let output = Command::new("mpc")         
  18.         .arg("status")         
  19.         .output()
  20.         .expect("");
  21.  
  22.     let output_formatted = String::from_utf8_lossy(&output.stdout);
  23.  
  24.     let re_status = Regex::new(r"\[(paused|playing)\]").unwrap();
  25.     match re_status.captures(&output_formatted) {         
  26.         Some(caps) => resolve_status(&caps[0]),         
  27.         None => print!("")     
  28.     }
  29.  
  30.     let split = output_formatted.split("\n");
  31.     let vec: Vec<&str> = split.collect();
  32.  
  33.     // Remove the .contains() check for     
  34.     // the MPC playback parameters output     
  35.     // (volume, repeat, random, single, consume)     
  36.     // when MPC is stopped.     
  37.     if vec[0].contains("volume") {
  38.         print!("")
  39.         } else {
  40.         print!("{} ", &vec[0]);
  41.     }
  42.  
  43.     let re_time = Regex::new(r"([\d:]{1,}/[\d:]{1,})").unwrap();
  44.     match re_time.captures_iter(&output_formatted).nth(1) {
  45.         Some(caps) => print!("[{}]", caps.get(0).unwrap().as_str()),
  46.         None => print!("")
  47.     };
  48. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
error[E0463]: can't find crate for `regex`
 --> prog.rs:1:1
  |
1 | extern crate regex;
  | ^^^^^^^^^^^^^^^^^^^ can't find crate

error: aborting due to previous error

For more information about this error, try `rustc --explain E0463`.
stdout
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Standard output is empty
https://ideone.com/aan0Sa
language:
Rust (rust 1.56)
created:
4 years ago
visibility:
public

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