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# File 'lib/bmi/cli.rb', line 5
def self.calc(arguments=[])
options = {
:weight_k => 0,
:height_m => 0,
:weight_p => 0,
:height_i => 0
}
mandatory_options = %w( )
parser = OptionParser.new do |opts|
opts.banner = <<-BANNER.gsub(/^ /,'')
Body Mass Index [BMI] help guide
Usage: #{File.basename($0)} [options]
Options are:
BANNER
opts.separator ""
opts.on("-w", "--weight KILOGRAMS", String,
"Your current weight.",
"Pleace introduce your weight in kilograms.",
"Default: ~") { |arg| options[:weight_k] = arg }
opts.on("-b", "--height METERS", String,
"How hight you are.",
"Pleace introduce your height in meters.",
"Default: ~") { |arg| options[:height_m] = arg }
opts.on("-W", "--Weight POUNDS", String,
"Your current weight.",
"Pleace introduce your weight in pounds.",
"Default: ~") { |arg| options[:weight_p] = arg }
opts.on("-B", "--Height INCHES", String,
"How hight you are.",
"Pleace introduce your height in inches.",
"Default: ~") { |arg| options[:height_i] = arg }
opts.on("-h", "--help",
"Show this help message.") { puts opts; exit }
opts.parse!(arguments)
if mandatory_options && mandatory_options.find { |option| options[option.to_sym].nil? }
puts opts; exit
end
end
return options
end
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