daan/fortune-rs
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Exit if specified fortunes file is not found

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runebaas 2019-10-29 00:19:27 +01:00
parent 4d6ce91d51
commit e3dc106eb7
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1 changed files with 5 additions and 1 deletions
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6
src/main.rs
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@ -1,4 +1,4 @@
use std::{fs, thread, time}; use std::{fs, thread, time, path, process};
use std::convert::TryFrom; use std::convert::TryFrom;
use rand::prelude::*; use rand::prelude::*;
use clap::{Arg, App}; use clap::{Arg, App};
@ -92,6 +92,10 @@ fn parse_options(app: App) -> Options {
} }
fn get_fortunes(filename: String) -> Vec<String> { fn get_fortunes(filename: String) -> Vec<String> {
if !path::Path::new(&filename).exists() {
println!("File '{}' does not found", filename);
process::exit(1);
}
let fortune_file = fs::read_to_string(filename).expect("Cannot read fortune file"); let fortune_file = fs::read_to_string(filename).expect("Cannot read fortune file");
let fortunes: Vec<String> = fortune_file.split('%').map(ToOwned::to_owned).collect(); let fortunes: Vec<String> = fortune_file.split('%').map(ToOwned::to_owned).collect();