Redirecting Standard Input or Output : StringIO « File Directory « Ruby






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Redirecting Standard Input or Output

#!/usr/bin/env ruby
# redirect_stdout.rb
require 'stringio'
new_stdout = StringIO.new

$stdout = new_stdout
puts 'Hello, hello.'
puts "I'm writing to standard output."

$stderr.puts "#{new_stdout.size} bytes written to standard ouput so far."
$stderr.puts "AAA"
$stderr.puts new_stdout.string

$ ruby redirect_stdout.rb








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