CLIColorize¶ ↑

A simple Ruby module for use when colorizing output to the terminal.

gem install cli-colorize

- :black
- :red
- :green
- :yellow
- :blue
- :magenta
- :cyan
- :white
- :default (use the console's default color)

- :reset        - Turn off all attributes
- :bright       - Set bright mode
- :underline    - Set underline mode
- :blink        - Set blink mode
- :swap         - Swap foreground and background color
- :hide         - Hide text (set foreground to background color)

require 'cli-colorize'
str = 'The ' + 'Quick'.bright + ' Red'.red + ' Fox ' + 'Jumps'.blink + ' Over the ' + 'Lazy '.underline + 'Brown'.brown + ' Dog'

CLIColorize.off
# Prints in blue.
puts CLIColorize.colorize('TEST TEXT', :blue)
# Prints in the default color, NOT in blue
puts CLIColorize.safe_colorize('TEST TEXT', :blue)
CLIColorize.on
# Prints in blue.
puts CLIColorize.safe_colorize('TEST TEXT', :blue)
# Prints in red with a yellow background.
CLIColorize.puts('Is this text in red with a yellow background? (Y/n):', :foreground => :red, :background => :yellow)
CLIColorize.print('Is this text in red with a yellow background? (Y/n):', :foreground => :red, :background => :yellow)
# Prints in red with a yellow background on TTY devices, not to files.
CLIColorize.puts_colorized_if_tty('Is this text in red with a yellow background? (Y/n):', :foreground => :red, :background => :yellow)
CLIColorize.print_colorized_if_tty('Is this text in red with a yellow background? (Y/n):', :foreground => :red, :background => :yellow)

require 'cli-colorize'

class HelloConsole
  include CLIColorize

  def initialize
    # set the default foreground color (initially :blue)
    CLIColorize.default_color = :red
  end

  def say_hello
    puts colorize('Hello Pretty Console!')
  end

  def fancy_greeting
    puts colorize('Hello Console.', { :foreground => :blue, :background => :yellow, :config => :underline } )
  end

  def in_color(set)
    if set == true
      CLIColorize.on
    else
      CLIColorize.off
    end
  end
end

console = HelloConsole.new
# prints "Hello Pretty Console!" in red
console.say_hello
# prints "Hello Console." in blue, underlined, with a yellow background
console.fancy_greeting
console.in_color(false)
# not colorized
console.safe_colorize('Hi again.')
console.in_color(true)
# prints "Let's try that again." in red.
console.safe_colorize("Let's try that again.")

require 'cli-colorize'

class HelloConsole
  extend CLIColorize

  # set the default foreground color (initially :blue)
  default_color = :red

  def self.say_hello
    puts colorize('Hello Pretty Console!')
  end
end

HelloConsole.say_hello
HelloConsole.safe_puts('Is this text in red with a yellow background? (Y/n):', :foreground => :red, :background => :yellow)

Copyright © 2010 Chris St. John

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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

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