Formatador Progress Bar Example

progress_bar.rb

# This is an example of using the progress bar feature of Formatador.

require "rubygems"
require "formatador"
require "rake"

current = 0
total   = 100

# get terminal width
columns = Rake.application.terminal_width * 0.5

options = {:started_at => Time.now,
           :width      => columns,
           :label      => "Performing Operation...",
           :color      => "yellow"} #color defaults to white

puts

# Dummy task to simulate a batch process
total.times do |n|
  sleep 0.1
  current +=1
  
  
  # change appearance when 75% complete
  if (current.to_f / total.to_f) >= 0.75
    options.merge!(:color => 'green', :label => "Finishing up...        ")
  end
  
  Formatador.redisplay_progressbar(current, total, options)
end

puts "\nOperation complete.\n"