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126 lines
5.6 KiB
Markdown
126 lines
5.6 KiB
Markdown
[#]: collector: (lujun9972)
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[#]: translator: ( )
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[#]: reviewer: ( )
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[#]: publisher: ( )
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[#]: subject: (Boxing yourself in on the Linux command line)
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[#]: via: (https://opensource.com/article/18/12/linux-toy-boxes)
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[#]: author: (Jason Baker https://opensource.com/users/jason-baker)
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[#]: url: ( )
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Boxing yourself in on the Linux command line
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======
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Learn how to use the boxes utility to draw shapes with characters at the Linux terminal and make your words stand out.
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It's the holiday season, and every Linux terminal user deserves a little gift. It doesn't matter whether you celebrate Christmas, another holiday, or nothing at all. So I'm gathering together a collection of 24 Linux command-line toys over the next few weeks for you to enjoy and share with your friends. Let's have a little fun and add a little joy to a month that, at least here in the northern hemisphere, can be a little bit cold and dreary.
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Chances are, there will be a few that you've heard of before. But, hopefully, we'll all have a chance to learn something new. (I know I did when doing some research to make sure I could make it to 24.)
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The first of our 24 Linux terminal toys is a program called boxes. Why start with boxes? Because it's going to be hard to wrap up all of our other command-line presents to you without it!
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On my Fedora machine, boxes wasn't installed by default, but it was in my normal repositories, so installing it was as simple as
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```
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$ sudo dnf install boxes -y
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```
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If you're on a different distribution, there's a good chance you'll find it in your default repositories as well.
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Boxes a utility I really wish I had in my high school and college computer science courses, where well-intentioned teachers insisted I provide very specific looking comment at the beginning of every source file, function, code block, etc.
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```
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/***************/
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/* Hello World */
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/***************/
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```
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It turns out, once you add a few lines of text inside, formatting them can get, well, tedious. Enter boxes. Boxes is a simple utility for surrounding a block of text with an ASCII art-style box. It comes with defaults for source code commenting, as well as other options.
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It's really easy to use. Using pipes, I can push a short greeting into a box.
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```
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$ cat greeting.txt | boxes -d diamonds -a c
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```
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Which will give us the output as follows:
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```
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/\ /\ /\
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/\//\\/\ /\//\\/\ /\//\\/\
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/\//\\\///\\/\//\\\///\\/\//\\\///\\/\
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//\\\//\/\\///\\\//\/\\///\\\//\/\\///\\
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\\//\/ \/\\//
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\/ \/
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/\ I'm wishing you all a /\
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//\\ joyous holiday season //\\
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\\// and a Happy Gnu Year! \\//
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\/ \/
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/\ /\
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//\\/\ /\//\\
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\\///\\/\//\\\///\\/\//\\\///\\/\//\\\//
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\/\\///\\\//\/\\///\\\//\/\\///\\\//\/
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\/\\//\/ \/\\//\/ \/\\//\/
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\/ \/ \/
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```
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Or perhaps something more fun, like:
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```
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echo "I am a dog" | boxes -d dog -a c
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```
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Which will, unsurprisingly, give you the following:
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```
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__ _,--="=--,_ __
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/ \." .-. "./ \
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/ ,/ _ : : _ \/` \
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\ `| /o\ :_: /o\ |\__/
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`-'| :="~` _ `~"=: |
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\` (_) `/
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.-"-. \ | / .-"-.
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.---{ }--| /,.-'-.,\ |--{ }---.
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) (_)_)_) \_/`~-===-~`\_/ (_(_(_) (
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( I am a dog )
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) (
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'---------------------------------------'
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```
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Boxes comes with [lots of options][1] for padding, position, and even processing regular expressions. You can learn more about boxes on the [project's homepage][2], or head over to [GitHub][3] to download the source code or contribute your own box. In fact, if you're looking for an idea to submit, I've got an idea for you: why not a holiday present?
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```
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_ _
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/_\/_\
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_______\_\/_/_______
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| ///\\\ |
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| /// \\\ |
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| "Happy pull |
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| request!" |
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|____________________|
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```
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Boxes is open source under a GPLv2 license.
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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.
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Or check out tomorrow's command-line toy, [Drive a locomotive through your Linux terminal][4].
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--------------------------------------------------------------------------------
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via: https://opensource.com/article/18/12/linux-toy-boxes
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作者：[Jason Baker][a]
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选题：[lujun9972][b]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://opensource.com/users/jason-baker
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[b]: https://github.com/lujun9972
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[1]: http://boxes.thomasjensen.com/examples.html
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[2]: https://boxes.thomasjensen.com/
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[3]: https://github.com/ascii-boxes/boxes
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[4]: https://opensource.com/article/18/12/linux-toy-sl
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