iankelling.org Git - small-misc-bash/blob - wpm-game

   1 #!/bin/bash
   2 # Copyright (C) 2016 Ian Kelling
   3
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 wpm-game() {
  17     local help="Usage: wpm-game [--help]
  18 Typing speed game
  19
  20 Starts counting when you type a non-space.
  21 Starts over and prints the scrore when you press enter."
  22     if [[ $1 == --help ]]; then
  23         echo "$help"
  24         return 0
  25     fi
  26     local x line chars seconds
  27     local TIMEFORMAT=%R
  28     while true
  29     do
  30         line=()
  31         while ! [[ $line ]] || [[ $line == [[:space:]] ]] ; do
  32             read -n 1 line
  33         done
  34         x=$( { time read line; echo "$line"; } 2>&1 )
  35         seconds=${x%%[[:space:]]*}
  36         x="${x#$seconds}"
  37         chars=$(( ${#x} + 1 )) # +1 for the first char we don't have
  38         # this formual is the same as typeracer.com's 5 keys / word
  39         # wikipedia says 6 is more accurate, I like typeracers flattery.
  40         # chars / 5 and seconds/60 simplifies to * 12
  41         echo -ne "$(echo "12 * $chars / $seconds" | bc)\t"
  42     done
  43 }
  44 wpm-game "$@"