Class: Mux

Inherits:
Object
  • Object
show all
Defined in:
lib/mux.rb

Defined Under Namespace

Classes: Options

Constant Summary collapse

M = 
{ :pipe => {:class => 'IO', :method => 'popen', :mode => 'w'},
:funnel => {:class => 'File', :method => 'open', :mode => 'w'},
:append => {:class => 'File', :method => 'open', :mode => 'a'} }

Instance Method Summary collapse

Instance Method Details

#open_stream(target, type) ⇒ Object 



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# File 'lib/mux.rb', line 63

def open_stream(target, type)
  eval("#{M[type][:class]}.#{M[type][:method]}(target,'#{M[type][:mode]}')")
end

#open_streams(targets, type) ⇒ Object 



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# File 'lib/mux.rb', line 59

def open_streams(targets, type)
  targets.map {|t| open_stream(t,type) }
end

#run(args) ⇒ Object 



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# File 'lib/mux.rb', line 39

def run(args)
  options = Mux::Options.parse(args)
  
  streams = options.to_stdout ? [$stdout] : []
  
  # this is silly and rather non-intuitive (at least tonight), but is fun
  # nonetheless... i'll keep it around for a while and see what i think.
  # ps. IT TOTALLY WORKS!
  M.each_key do |k|
    o = lambda { eval("options.#{k}s") }
    streams.concat(open_streams(o.call, k)) if o.call
  end

  $stdin.each_line do |b|
    streams.each {|s| s.write b }
  end

  streams.each {|s| s.close }    
end