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uniq: fix skip & check characters logic

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This commit is contained in:
Chirag B. Jadwani 2016-02-29 11:10:38 +05:30
parent 676e3718c3
commit fc5b798ff1
1 changed files with 3 additions and 11 deletions
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14
src/uniq/uniq.rs
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@ -16,7 +16,6 @@ extern crate getopts;
extern crate uucore;
use getopts::{Matches, Options};
use std::cmp::min;
use std::fs::File;
use std::io::{BufRead, BufReader, BufWriter, Read, stdin, stdout, Write};
use std::path::Path;
@ -84,16 +83,9 @@ impl Uniq {
fn cmp_key(&self, line: &str) -> String {
let len = line.len();
if len > 0 {
let slice_start = match self.slice_start {
Some(i) => min(i, len - 1),
None => 0
};
let slice_stop = match self.slice_stop {
Some(i) => min(slice_start + i, len),
None => len
};
line[slice_start..slice_stop].chars()
line.chars()
.skip(self.slice_start.unwrap_or(0))
.take(self.slice_stop.unwrap_or(len))
.map(|c| match c {
'a' ... 'z' if self.ignore_case => ((c as u8) - 32) as char,
_ => c,