dualbus

#!/bin/bash

save=$(bind -p; bind -X)
function clean-up {
    bind -r '\C-i'
    bind -f /dev/stdin <<< "$save"
}
trap 'clean-up' RETURN

function write-options {

dualbus

#!/bin/bash

: <<\eof
Behavior of shells when IFS='\'

The case when IFS='\' is tricky for the following situations:
- read with -r
- read without -r
- a parameter expansion, unquoted, that contains the backslash

dualbus

#!/bin/bash

shopt -s extdebug extglob

k0ud3() {
 local cmd=$1
 case $cmd in
  +([[:digit:]])@([*+/-])+([[:digit:]])):;;
  *)! :;;
 esac && eval echo "$(($cmd))"

dualbus

#!/bin/bash

IFS= read -rd '' index_filter <<\Command
git ls-files -s | \
 awk '
  BEGIN { FS="\t" }

  $2 ~ /(^|\/)-i$/          {next}
  $2 ~ /Makefile$/          {next}
  $2 ~ /[#~]$/              {next}

dualbus

import java.io.BufferedReader;
import java.io.FileReader;
import java.util.Arrays;
import java.io.FileNotFoundException;
import java.io.IOException;

public class A {
    public static int solution(int N) {
        int[] seen;
        int i;