Method: Pipe.run

Defined in:
lib/pipe-run.rb

.run(command, &block) {|String| ... } ⇒ String

Runs the command and returns its standard output.

If block is given, treat call as non-blocking. In that case, loads em-pipe-run and expects EventMachine loaded.

Parameters:

  • command (String) —

    command for run

  • block (Proc) —

    block for giving back the results

Yields:

  • (String) —

    command output

Returns:

  • (String) —

    command output



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# File 'lib/pipe-run.rb', line 22

def self.run(command, &block)
    if not block.nil?
        begin
            return self.run_nonblock(command, &block)
        rescue NoMethodError
            require "em-pipe-run"
            retry
        end
    end
    
    ###
    
    pipe = File.popen(command, "r")
    
    result = pipe.read
    pipe.close()
    
    return result
end