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sources/tech/20181207 Plan your own holiday calendar at the Linux command line.md → translated/tech/20181207 Plan your own holiday calendar at the Linux command line.md
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[#]: via: (https://opensource.com/article/18/12/linux-toy-cal)
[#]: author: (Jason Baker https://opensource.com/users/jason-baker)
Plan your own holiday calendar at the Linux command line
在 Linux 命令行中规划你的假期日历
======
Link commands together to build a colorful calendar, and then whisk it away in a snowstorm.
将命令链接在一起，构建一个彩色日历，然后在暴风雪中将其拂去。
![](https://opensource.com/sites/default/files/styles/image-full-size/public/uploads/linux-toy-cal.png?itok=S0F8RY9k)
Welcome to today's installment of the Linux command-line toys advent calendar. If this is your first visit to the series, you might be asking yourself, what’s a command-line toy. Even I'm not quite sure, but generally, it could be a game or any simple diversion that helps you have fun at the terminal.
欢迎阅读今天推出的 Linux 命令行玩具降临日历。如果这是你第一次访问本系列，你可能会问：什么是命令行玩具。即使我不太确定，但一般来说，它可以是一个游戏或任何简单的娱乐，可以帮助你在终端玩得开心。
It's quite possible that some of you will have seen various selections from our calendar before, but we hope there’s at least one new thing for everyone.
很可能你们中的一些人之前已经看过我们日历上的各种选择，但我们希望给每个人至少一件新东西。
We've somehow made it to the seventh day of our series without creating an actual calendar to celebrate with, so let's use a command-line tool to do that today: **cal**. By itself, **cal** is perhaps not the most amazing of tools, but we can use a few other utilities to spice it up a bit.
我们在没有创建实际日历的情况下完成了本系列的第 7 天，所以今天让我们使用命令行工具来做到这一点：**cal**。就其本身而言，**cal** 可能不是最令人惊奇的工具，但我们可以使用其它一些实用程序来为它增添一些趣味。
Chances are, **cal** is installed on your system already. To use it in this instance, just type **cal**.
很可能，你的系统上已经安装了 **cal**。要使用它，只需要输入 **cal** 即可。
```
$ cal
@ -32,9 +32,10 @@ Su Mo Tu We Th Fr Sa
30 31          
```
We aren't going to go into advanced usage in this article, so if you want to learn more about **cal** , go check out Opensource.com Community Moderator Don Watkin's excellent [overview of the date and cal commands][1].
我们不打算在本文中深入介绍高级用法，因此如果你想了解有关 **cal** 的更多信息，查看 Opensouce.com 社区版主 Don Watkin 的优秀文章 [date 和 cal 命令概述][1]。
现在，让我们用一个漂亮的盒子来为它增添趣味，就像我们在上一篇 Linux 玩具文章中介绍的那样。我将使用钻石块，用一点内边距来对齐。
Now, let's spice it up with a pretty box, as we covered in our previous Linux toy article. I'll use the diamonds box, and use a little bit of padding to get it nicely aligned.
```
$ cal | boxes -d diamonds -p a1l4t2 
@ -60,7 +61,7 @@ $ cal | boxes -d diamonds -p a1l4t2 
       \/          \/          \/
```
That looks nice, but for good measure, let's put the whole thing in a second box, just for fun. We'll use the scoll design this time.
看起来很不错，但是为了好的测量，让我们把整个东西放到另一个盒子里，为了好玩，这次我们将使用滚动设计。
```
cal | boxes -d diamonds -p a1t2l3 | boxes -a c -d scroll        
@ -92,25 +93,25 @@ cal | boxes -d diamonds -p a1t2l3 | boxes -a c -d scroll        
   ~~~                                                ~~~
```
Perfect. Now, here's where things get a little crazy. I like our design, but, I'd like to go all out. So I'm going to colorize it. But here in the Raleigh, NC office where Opensource.com's staff are based, there's a good chance for snow this weekend. So let's enjoy our colorized advent calendar, and then wipe it out with snow.
完美。现在，事情变得有点疯狂了。我喜欢我们的设计，但我想全力以赴，所以我要给它上色。但是 Opensource.com 员工所在的北卡罗来版纳州罗利办公室，本周末很有可能下雪。所以，让我们享受彩色降临日历，然后用雪擦掉它。
For the snow, I'm grabbing a nifty [snippet][2] of Bash and Gawk goodness I found over on CLIMagic. If you're not familiar with CLIMagic, go check out their [website][3] and follow them on [Twitter][4]. You'll be glad you did.
关于雪，我抓取了一些 Bash 和 Gawk 的漂亮[代码片段][2]，幸亏我发现了 CLIMagic。如果你不熟悉 CLIMagic，去查看他们的[网站][3]，在 [Twitter][4] 上关注他们。你会满意的。
So here we go. Let's clear the screen, throw up our boxy calendar, colorize it, wait a few seconds, then snowstorm it away. All here at the terminal, in one line.
我们开始吧。让我们清除屏幕，扔掉四四方方的日历，给它上色，等几秒钟，然后用暴风雪把它吹走。这些在终端可以用一行命令完成。
```
$ clear;cal|boxes -d diamonds -p a1t2l3|boxes -a c -d scroll|lolcat;sleep 3;while :;do echo $LINES $COLUMNS $(($RANDOM%$COLUMNS)) $(printf "\u2744\n");sleep 0.1;done|gawk '{a[$3]=0;for(x in a) {o=a[x];a[x]=a[x]+1;printf "\033[%s;%sH ",o,x;printf "\033[%s;%sH%s \033[0;0H",a[x],x,$4;}}'
```
And there we go.
大功告成。
![](https://opensource.com/sites/default/files/uploads/linux-toy-cal-animated.gif)
For this to work on your system, you'll need all of the referenced utilities (boxes, lolcat, cal, gawk, etc.), and you'll need to use a terminal emulator that supports Unicode.
要使它在你的系统上工作，你需要所有它引用的实用程序（box, lolcat, gawk 等），还需要使用支持 Unicode 的终端仿真器。
Do you have a favorite command-line toy that you think I ought to profile? The calendar for this series is mostly filled out but I've got a few spots left. Let me know in the comments below, and I'll check it out. If there's space, I'll try to include it. If not, but I get some good submissions, I'll do a round-up of honorable mentions at the end.
你有特别喜欢的命令行小玩具需要我介绍的吗？这个系列要介绍的小玩具大部分已经有了落实，但还预留了几个空位置。请在评论区留言，我会查看的。如果还有空位置，我会考虑介绍它的。如果没有，但如果我得到了一些很好的意见，我会在最后做一些有价值的提及。
Check out yesterday's toy, [Take a break at the Linux command line with Nyan Cat][5], and check back tomorrow for another!
看看昨天的玩具：[使用 Nyan Cat 在 Linux 命令行休息][5]。记得明天再来！
--------------------------------------------------------------------------------
@ -118,7 +119,7 @@ via: https://opensource.com/article/18/12/linux-toy-cal
作者：[Jason Baker][a]
选题：[lujun9972][b]
译者：[译者ID](https://github.com/译者ID)
译者：[MjSeven](https://github.com/MjSeven)
校对：[校对者ID](https://github.com/校对者ID)
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