def creategem
   require 'fileutils'
   
   if @a_viewgemspecdata
    nametext = $gemspec_directory +"/" + @a_viewgemspecdata.to_s  + ".gemspec" 
	 end
   Dir.chdir($gembuild_directory)
   builddir = $gembuild_directory
   if  @a_gemdirectoryinput
    builddir = @a_gemdirectoryinput.to_s
    @installgemresult  = nametext
   if File.exist?(nametext)
   
        begin # exception trapped block
   	 Dir.chdir(builddir)
  	
	        commandline = $xpcommand + "gem build " + nametext
         
         @installgemresult = `#{commandline}`
   
       rescue
            @installgemresult = "error during gem install!"
        end # exception rescue
end 
end
  end