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This post originated from an RSS feed registered with Ruby Buzz
by Jan Lelis.
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Original Post: Small Ruby CLI Improvements (Part 3): Hirb vs. Unicode
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Feed Description: Hi, I am a fan of Ruby and like to explore it and the world around ;).
So I started this blog, where I am publishing code snippets, tutorials for beginners as well as general thoughts about Ruby, the web or programming in general.
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Hirb: “A mini view framework for console/irb that’s easy to use, even while under its influence. Console goodies include a no-wrap table, auto-pager, tree and menu.” now supports unicode in two ways:
┌───────────────────────────────────────────┬───────────────────────────────────────────────────┐
│ Support for unicode full-width characters │ Unicode table characters instead of + and - chars │
└───────────────────────────────────────────┴───────────────────────────────────────────────────┘
Nice unicode-drawn tables
You need to upgrade to hirb 0.4.0 to use this new feature: You can pass an :unicode => true option to your tables to get them unicodized. To automatically use it for all your tables, you can put the following statement in your ~/.irbrc:
Hirb::View.formatter.add_view 'Object', :ancestor => true, :options => { :unicode => true }
Irbtools users just need to upgrade to 0.8.6.
Btw, if you don’t like the ╎ gaps, you can customize the used characters with:
Hirb::Helpers::UnicodeTable::CHARS[:bottom][:vertical][:inside] = '│'
Full-width characters
If you were experiencing wrong table sizes, you can now use hirb-unicode (thanks to miaout17). It patches the original hirb gem with the right unicode-display_width. Unfortunately, it can be slow under some circumstances, but this may be improved with future versions of unicode-display_width.
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Read: Small Ruby CLI Improvements (Part 3): Hirb vs. Unicode
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