instance method `capture`

Ruby on Rails 3.1.12

Since v3.1.12 Last seen in v4.2.9

Available in: v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9

Compare with:

capture(stream)

Captures the given stream and returns it:

stream = capture(:stdout) { puts "Cool" }
stream # => "Cool\n"

Parameters

stream req

Source

# File activesupport/lib/active_support/core_ext/kernel/reporting.rb, line 68
  def capture(stream)
    begin
      stream = stream.to_s
      eval "$#{stream} = StringIO.new"
      yield
      result = eval("$#{stream}").string
    ensure
      eval("$#{stream} = #{stream.upcase}")
    end

    result
  end

Defined in activesupport/lib/active_support/core_ext/kernel/reporting.rb line 68 · View on GitHub · Improve this page · Find usages on GitHub

Defined in Kernel

Signature

Parameters