Display basename in usage message

This commit is contained in:
Matteo Cypriani 2018-05-05 22:25:44 +02:00
parent 9f29662cbf
commit 93248eb611
1 changed files with 5 additions and 1 deletions

View File

@ -22,6 +22,7 @@
use std::env;
use std::fs::File;
use std::path::PathBuf;
use std::process;
extern crate getopts;
@ -55,7 +56,10 @@ fn main() {
fn main_main() -> i32 {
let args: Vec<String> = env::args().collect();
let prog_name = &args.first().expect("Can't retrieve program's name");
let prog_fullname = &args.first().expect("Can't retrieve program name");
let prog_name = PathBuf::from(prog_fullname).file_name()
.expect("Can't retrieve program base name")
.to_string_lossy().into_owned();
let mut opts = Options::new();
opts.optflag("i", "info",