type blog {
    string name;
    string feedURL;
} 

type file { } 

(file headlines) getHeadlines(blog b) { 
	app { 
		echo @b.feedURL stdout=@filename(headlines);
	}	
}

(file results[]) processBlogs(blog blogs[]) {
	foreach el, index in blogs { 
		results[index] = getHeadlines( el ) ;
	}
}

blog blogs[]  <csv_mapper; file="blogs.csv", delim=",", header="true">; 
file output[] <simple_mapper; prefix="output/blogHeadlines",suffix=".txt">; 

output = processBlogs(blogs);