Franklin Weng
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    # 在 Linux 終端機內解數獨<br><small>——數獨(Sudoku)是一種簡單的邏輯遊戲,在哪裡都可以玩,包含 Linux 終端機內</small> :::info 原文:[Solve a puzzle at the Linux command line with nudoku](https://opensource.com/article/18/12/linux-toy-nudoku) 原作者:[Jason Baker (Red Hat)](https://opensource.com/users/jason-baker) 台灣中文譯者:[Franklin Weng](https://about.me/fweng322) 編譯團隊註:這一系列文章是 opensource.com 搭配降臨節日曆(Advent calendar)所推出的一系列 Linux 命令列小工具介紹。所謂的「降臨節日曆」簡單地說,就是一個小日曆,每一天是一格,從 12 月 1 日開始,每天可以從格子中取出一個小禮物,直到聖誕節到來為止。因此在這一系列中,我們將會介紹 24 個有趣的 Linux 終端機、命令列上的小工具。 ::: ![](https://i.imgur.com/7fOSlf1.png) 圖片由 *Jason Baker* 提供 歡迎來到我們為期 24 天的 Linux 命令列小工具介紹。如果您是第一次看到這一系列,您可能會想:命令列小工具是什麼?一般說來,它就是可以在終端機內帶給您樂趣的任何小程式;可能是個小遊戲,有趣的小工具,或是純娛樂用的小玩意兒。有些您可能看過,有些則沒有。不管怎樣,希望您能在這一系列中找到樂趣。 每一年的聖誕節,我的岳母都會送我一本數獨日曆。它會放在我們的咖啡桌上。日曆的每一天都是一張單獨的表格(星期六和星期日除外,它們合併到一頁上),其想法是每天都有一個新的謎題,同時也可以當做一般日曆使用。 不過問題是在於,每一天題目的難度不同,有些比較困難的,我們沒辦法在當天把它完成。然後我們就在星期天想法「趕上」該週的進度。 既然前面我已經介紹了[終端機上的月曆](https://hackmd.io/Tb65PUXZT32AnjcdFLoPQg),我覺得也該介紹數獨遊戲給大家。不過它並沒有跟月曆綁在一起,所以大家也不必有每天該解一題的壓力。 我在我的 Fedora 軟體庫中找到了 **nudoku**,所以安裝很簡單: <code>$ sudo dnf install nudoku</code> 安裝好之後只要輸入 **nudoku** 即可,然後它會有個簡單的教學。如果您從來沒玩過數獨,它的規則也很簡單:您在某一格所放入的數字必須符合以下條件:在該格所在的**橫列**、**直欄**與 **3x3 的九宮格**方塊中,1-9 的數字都只能各出現一個。 您可以在 [GitHub](https://github.com/jubalh/nudoku) 上找到它的程式源碼,以 GPLv3 授權釋出。 ![](https://i.imgur.com/Ntst0GE.gif) 您有最喜歡的命令列小工具,認為我們應該要介紹的嗎?雖然這一系列的主題都已經確定了,不過您有任何建議還是可以在下方留言給我們,留待新的一年介紹。 這裡是昨天介紹的小工具:[用您的 Linux 終端機來慶祝美好一年的到來](https://hackmd.io/yFqNjTW2QYe3WLdTlAVonQ)。敬請期待明天的介紹! ###### tags: `Linux` `Advent Calendar` `Console` `終端機` `命令列`

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