taskcmd 0.1.3

Task commander
Documentation 
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//! # Task definitions loader

use super::errors::*;
use std::fs::{read_dir, read_to_string};

/// Returns the content of the task definitions file.
///
/// Error handling is intentionally minimal. File access and filesystem errors
/// are not reported precisely because such failures are expected to be rare.
/// This function will just panic if the task definitions file is not accessible.
pub fn load_definitions() -> Result<String> {
  let mut files = vec![];
  let paths = read_dir(".").expect("Failed to access current directory");
  for entry in paths.flatten() {
    let file_type = entry.file_type().expect("Failed to get file type");
    if file_type.is_file() {
      let file_name = entry.file_name().to_string_lossy().to_string();
      if file_name.ends_with(".taskcmd") {
        files.push(file_name);
      }
    }
  }
  files.sort();
  files.reverse();
  if let Some(file_name) = files.first() {
    Ok(read_to_string(file_name).expect("Failed to read task definitions file"))
  } else {
    Err(err_definitions_not_found())
  }
}