Contents

module RemoteUnix
  # outputer to parse output from echoed commands piped into script/console
  class RailsConsoleOutput
    attr_reader :unparsed
    def initialize(out)
      @unparsed = out
    end
    # given a generic output item from script/console such as:
    # some prior items
    # => [id1, id2, id3]
    # transform the string to array
    
    # when we have STDOUT comming back from ssh session in format
    # [1,2,3] translate the string to a ruby Array obj
    def to_a
      unless @unparsed.grep(/.*\[.*\]/).nitems > 0
        raise ArgumentError, "Tried to convert output to_a when not in correct format"
      end
      @unparsed.to_s.split(/\n/).to_s.split('=>').last.gsub(/[\[\]" ]/, '').split('>>').first.split(',')
    end
    
    def format
      out = @unparsed.to_s.split(/\n/).to_s.split('=>').last.gsub(/[\[\] "]/, '').split('>>')

      unless out.nitems > 0
        return nil
      end
      # if we get here we found a result to return
      out.first
    end
  end
  
  class GenericShellOutput
    # return an array for the output executed excluding any other
    # control information, such as command executed or shell prompt
    def self.to_lines(out, command_executed)
      lines = out.first[command_executed.length..out.first.length].split(/\n/)
        
      # empty array elem from stripping out command executed, deleting
      lines.delete_at(0)
      
      # last item will be shell prompt, delete
      lines.delete_at(lines.length-1)
      lines
    end
  end
  
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
qa_robusta-0.1.9	remote_unix/helpers/out_xforms.rb
qa_robusta-0.1.8	remote_unix/helpers/out_xforms.rb
qa_robusta-0.1.5	remote_unix/helpers/out_xforms.rb
qa_robusta-0.1.4	remote_unix/helpers/out_xforms.rb
qa_robusta-0.1.3	remote_unix/helpers/out_xforms.rb