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

   1 #!/bin/bash
   2 # I, Ian Kelling, follow the GNU license recommendations at
   3 # https://www.gnu.org/licenses/license-recommendations.en.html. They
   4 # recommend that small programs, < 300 lines, be licensed under the
   5 # Apache License 2.0. This file contains or is part of one or more small
   6 # programs. If a small program grows beyond 300 lines, I plan to switch
   7 # its license to GPL.
   8
   9 # Copyright 2024 Ian Kelling
  10
  11 # Licensed under the Apache License, Version 2.0 (the "License");
  12 # you may not use this file except in compliance with the License.
  13 # You may obtain a copy of the License at
  14
  15 #     http://www.apache.org/licenses/LICENSE-2.0
  16
  17 # Unless required by applicable law or agreed to in writing, software
  18 # distributed under the License is distributed on an "AS IS" BASIS,
  19 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  20 # See the License for the specific language governing permissions and
  21 # limitations under the License.
  22
  23
  24 wpm-game() {
  25     local help="Usage: wpm-game [--help]
  26 Typing speed game
  27
  28 Starts counting when you type a non-space.
  29 Starts over and prints the scrore when you press enter."
  30     if [[ $1 == --help ]]; then
  31         echo "$help"
  32         return 0
  33     fi
  34     local x line chars seconds
  35     local TIMEFORMAT=%R
  36     while true
  37     do
  38         line=()
  39         while ! [[ $line ]] || [[ $line == [[:space:]] ]] ; do
  40             read -n 1 line
  41         done
  42         x=$( { time read line; echo "$line"; } 2>&1 )
  43         seconds=${x%%[[:space:]]*}
  44         x="${x#$seconds}"
  45         chars=$(( ${#x} + 1 )) # +1 for the first char we don't have
  46         # this formual is the same as typeracer.com's 5 keys / word
  47         # wikipedia says 6 is more accurate, I like typeracers flattery.
  48         # chars / 5 and seconds/60 simplifies to * 12
  49         echo -ne "$(echo "12 * $chars / $seconds" | bc)\t"
  50     done
  51 }
  52 wpm-game "$@"