Shell指令碼實作經典文字遊戲

#!/bin/bash
# unscramble - 一個簡單的單詞重組遊戲

wordlib="/usr/lib/games/long-words.txt"

# 檢查單詞函式庫是否存在
if [ ! -r "$wordlib" ]; then
  echo "錯誤：缺少單詞函式庫 $wordlib" >&2
  echo "請從 http://www.intuitive.com/wicked/examples/long-words.txt 下載並儲存為 $wordlib" >&2
  exit 1
fi

total=0; correct=0

until [ "$guess" = "quit" ]; do
  match=$(randomquote $wordlib)
  scrambled=""
  for ((i=0; i<${#match}; i++)); do
    letter=${match:$i:1}
    if [ $RANDOM % 2 -eq 0 ]; then
      scrambled="$letter$scrambled"
    else
      scrambled="$scrambled$letter"
    fi
  done
  echo "你需要重新組合：$scrambled"
  guess="??"; guesses=0
  total=$((total + 1))
  
  while [ "$guess" != "$match" -a "$guess" != "quit" -a "$guess" != "next" ]; do
    read -p "你的猜測（quit|next）： " guess
    if [ "$guess" = "$match" ]; then
      guesses=$((guesses + 1))
      echo "*** 你猜對了！嘗試次數 = ${guesses} ***"
      correct=$((correct + 1))
    elif [ "$guess" = "next" -o "$guess" = "quit" ]; then
      echo "正確答案是 \"$match\"。你的嘗試次數：$guesses"
    else
      echo "不正確，請再試一次。"
      guesses=$((guesses + 1))
    fi
  done
done

echo "遊戲結束。你正確猜出了 $correct 個單詞，總共 $total 個單詞。"
exit 0

#!/bin/bash
# hangman - 一個簡單的猜字遊戲

wordlib="/usr/lib/games/long-words.txt"
empty="\."
games=0

# 檢查單詞函式庫是否存在
if [ ! -r "$wordlib" ]; then
  echo "錯誤：缺少單詞函式庫 $wordlib" >&2
  echo "請從 http://www.intuitive.com/wicked/examples/long-words.txt 下載並儲存為 $wordlib" >&2
  exit 1
fi

while [ "$guess" != "quit" ]; do
  match=$(randomquote $wordlib)
  if [ $games -gt 0 ]; then
    echo "*** 新遊戲！***"
  fi
  games=$((games + 1))
  guessed=""; guess=""; bad=${1:-6}
  partial=$(echo $match | sed "s/[^$empty${guessed}]/-/g")
  
  while [ "$guess" != "$match" -a "$guess" != "quit" ]; do
    echo ""
    if [ ! -z "$guessed" ]; then
      echo -n "已猜字母：$guessed， "
    fi
    echo "距離絞刑架的步數：$bad，目前單詞：$partial"
    read -p "猜一個字母： " guess
    
    # 猜測處理邏輯...
  done
done

elif [ $(echo $guess | wc -c | sed 's/[^[:digit:]]//g') -ne 2 ] ; then
  echo "Uh oh: You can only guess a single letter at a time"
elif [ ! -z "$(echo $guess | sed 's/[[:lower:]]//g')" ] ; then
  echo "Uh oh: Please only use lowercase letters for your guesses"
elif [ -z "$(echo $guess | sed "s/[$empty$guessed]//g")" ] ; then
  echo "Uh oh: You have already tried $guess"

elif [ "$(echo $match | sed "s/$guess/-/g")" != "$match" ] ; then
  guessed="$guessed$guess"
  partial="$(echo $match | sed "s/[^$empty${guessed}]/-/g")"
  if [ "$partial" = "$match" ] ; then
    echo "** You've been pardoned!! Well done! The word was \"$match\"."
    guess="$match"
  else
    echo "* Great! The letter \"$guess\" appears in the word!"
  fi

#!/bin/bash
# states--A state capital guessing game. Requires the state capitals data file state.capitals.txt.
db="/usr/lib/games/state.capitals.txt" # 格式為 State[tab]City.
if [ ! -r "$db" ] ; then
    echo "$0: 無法讀取 $db。" >&2
    echo "請取得 state.capitals.txt 並儲存為 $db。" >&2
    exit 1
fi

guesses=0; correct=0; total=0
while [ "$guess" != "quit" ] ; do
    thiskey="$(randomquote $db)"
    state="$(echo $thiskey | cut -d\ -f1 | sed 's/-/ /g')"
    city="$(echo $thiskey | cut -d\ -f2 | sed 's/-/ /g')"
    match="$(echo $city | tr '[:upper:]' '[:lower:]')"
    # ...
done

#!/bin/bash
# isprime--檢查一個數字是否為質數。
counter=2
remainder=1
if [ $# -eq 0 ] ; then
    echo "用法: isprime NUMBER" >&2
    exit 1
fi
number=$1
# ...

while [ $counter -le $(expr $number / 2) -a $remainder -ne 0 ]
do
    remainder=$(expr $number % $counter)
    counter=$(expr $counter + 1)
done

#!/bin/bash
# rolldice--解析使用者輸入的骰子資訊並模擬擲骰結果
rolldie() {
  dice=$1
  dicecount=1
  sum=0
  
  # 解析骰子描述
  if [ -z "$(echo $dice | grep 'd')" ]; then
    quantity=1
    sides=$dice
  else
    quantity=$(echo $dice | cut -dd -f1)
    if [ -z "$quantity" ]; then
      quantity=1
    fi
    sides=$(echo $dice | cut -dd -f2)
  fi
  
  echo ""
  echo "擲 $quantity 個 $sides 面骰子"
  
  # 模擬擲骰子
  while [ $dicecount -le $quantity ]; do
    roll=$(( ( $RANDOM % $sides ) + 1 ))
    sum=$(( $sum + $roll ))
    echo " 第 $dicecount 次擲骰結果 = $roll"
    dicecount=$(( $dicecount + 1 ))
  done
  
  echo "總和：$sum"
}

while [ $# -gt 0 ]; do
  rolldie $1
  sumtotal=$(( $sumtotal + $sum ))
  shift
done

echo ""
echo "所有骰子的總和：$sumtotal"
echo ""
exit 0

#!/bin/bash
# aceyduecey：實作 Acey Deucey 紙牌遊戲

function initializeDeck {
  # 初始化牌堆積
  card=1
  while [ $card -le 52 ]; do
    deck[$card]=$card
    card=$(( $card + 1 ))
  done
}

function shuffleDeck {
  # 洗牌（實際上是隨機抽取牌）
  count=1
  while [ $count != 53 ]; do
    pickCard
    newdeck[$count]=$picked
    count=$(( $count + 1 ))
  done
}

function pickCard {
  # 從牌堆積中隨機抽取一張牌
  local errcount randomcard
  threshold=10
  
  errcount=0
  while [ $errcount -lt $threshold ]; do
    randomcard=$(( ( $RANDOM % 52 ) + 1 ))
    errcount=$(( $errcount + 1 ))
    if [ ${deck[$randomcard]} -ne 0 ]; then
      picked=${deck[$randomcard]}
      deck[$picked]=0 # 標記為已抽取
      return $picked
    fi
  done
  
  # 若隨機抽取失敗，則順序查詢可用牌
  randomcard=1
  while [ ${newdeck[$randomcard]} -eq 0 ]; do
    randomcard=$(( $randomcard + 1 ))
  done
  picked=$randomcard
  deck[$picked]=0 # 標記為已抽取
  return $picked
}