Class: IO

Inherits:
Object show all
Defined in:
lib/core/io.rb

Class Method Summary collapse

Class Method Details

.capture_stdout(&block) ⇒ Object

from output_catcher gem



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# File 'lib/core/io.rb', line 10

def self.capture_stdout(&block)
  original_stdout = $stdout
  $stdout = fake = StringIO.new
  begin
    yield
  ensure
    $stdout = original_stdout
  end
  fake.string
end

.read_until(file, string) ⇒ Object

Returns array of lines up until the given string matches a line of the file.



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# File 'lib/core/io.rb', line 3

def self.read_until(file,string)
  f = self.readlines(file)
  i = f.index(string) || 100000
  f.slice(0,i)
end