Ruby's ARGV can be empty on windows depending on a way to run script

Question

My demo.rb:

puts ARGV.size

ARGV.each do |a|
  puts \"Argument: #{a}\"
end

The result depends on how we run a script:

>          


        

Answer 1

C:\Temp> ftype | grep ruby
rbFile="c:\opt\ruby\bin\ruby.exe" "%1" %*
rbwFile="c:\opt\ruby\bin\rubyw.exe" "%1" %*