Keyboard testing script

keyboard-test.sh

#!/bin/bash

function findInArray() {
  local n=$#
  local value=${!n}
  for ((i=1;i < $#;i++)) {
    if [[ ${!i} == ${value} ]]; then # was == ${value}:*
      echo "${!i}"
      return 0
    fi
  }
  echo
  return 1
}

list=( 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 95 96 104 105 106 108 110 111 112 113 114 115 116 117 118 119 127 135 )
remaining=${#list[@]}
clear
echo 'Remaining ===>' ${list[@]}

xev | \
awk -W interactive '/state 0x.*, keycode / { print $4; fflush() }' | \
while read keycode; do
  found=$(findInArray "${list[@]}" ${keycode})
  if [[ $found ]]; then
    clear

    # Remove keycode from list
    for i in ${!list[@]}; do
      if [ "${list[$i]}" = $keycode ]; then
        list[$i]=''
        remaining=$((remaining-1));
      fi
    done

    echo 'Remaining ===>' ${list[@]}
    echo 'Remaining #' $remaining
    if [[ $remaining == 0 ]]; then
      clear
      echo All keys successfully tested!
      pkill xev
      exit 0
    fi
  fi
done