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Format cli output in different ways: tab, table, csv, json, etc

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cli-format

Installation

Add this line to your application's Gemfile:

gem 'cli-format'

And then execute:

$ bundle

Usage

require "cli-format"

options = {header: true, format: "table"}
header = ["Name", "Food", "Color"]
data = [
  ["Tung", "Apple", "Yellow"],
  ["Bob", "Pear", "Blue"],
]

presenter = CliFormat::Presenter.new(options)
presenter.header = header
data.each do |row|
  presenter.rows << row
end
presenter.show

Format table shows:

+------+-------+--------+
| Name | Food  | Color  |
+------+-------+--------+
| Tung | Apple | Yellow |
| Bob  | Pear  | Blue   |
+------+-------+--------+

Format csv shows:

Name,Food,Color
Tung,Apple,Yellow
Bob,Pear,Blue

Format json shows:

{
  "header": [
    "Name",
    "Food",
    "Color"
  ],
  "data": [
    [
      "Tung",
      "Apple",
      "Yellow"
    ],
    [
      "Bob",
      "Pear",
      "Blue"
    ]
  ]
}

Thor CLI Options

To expose the format in Thor CLI options, you can use CliFormat.formats. Example:

option :format, desc: "Output formats: #{CliFormat.formats.join(', ')}"

Text

If you would like to grab just the text and not it shown, use the text method.

presenter.text

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/[USERNAME]/cli_format.

License

The gem is available as open source under the terms of the MIT License.

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Format cli output in different ways: tab, table, csv, json, etc

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