accessing
externalWordCloud

	| text outputFile |
	outputFile := (self folder / 'nube.png')fullName.
	text := (self folder / self userName, 'words', 'txt')fullName.
	OSSUnixSubprocess new 
		command: 'wordcloud_cli';
		arguments: { '--text' . text . 
					'--imagefile' . outputFile .
					'--color' . '#5B83DE' .
					'--width' . '1153' .
					'--height' . '357' .
					'--background' . 'white' .
					'--mode' . 'RGBA' .
					'--stopwords' . '../commons/stopwords-es.txt' .
					'--mask' . '../commons/nube-mascara.jpg'};
		workingDirectory: self folder fullName;
		redirectStdout;
		redirectStderr;
		runAndWaitOnExitDo: [ :process :outString | ^ outputFile asFileReference ]