record array(a,b,c,d,e,f,g)

procedure dummy(u,v,x,y,z)
   suspend u | v
   return x
end

procedure main()
   write("f := open(\"foo.baz\",\"w\") ----> ",image(f := open("foo.baz","w")) | "none")
   write("write(f,\"hello world\") ----> ",image(write(f,"hello world")) | "none")
   write("close(f) ----> ",image(close(f)) | "none")
   write("system(\"diff expr28.icn expr28.icn\") ----> ",
      image(system("diff expr28.icn expr28.icn")) | "none")
end