Storing plot objects in a list

Question

I asked this question yesterday about storing a plot within an object. I tried implementing the first approach (aware that I did not specify that I was using qplot()

Answer 1

For your second question: Multi-page pdfs are easy -- see help(pdf):

 onefile: logical: if true (the default) allow multiple figures in one
          file.  If false, generate a file with name containing the
          page number for each page.  Defaults to ‘TRUE’.

For your main question, I don't understand if you want to store the plot inputs in a list for later processing, or the plot outputs. If it is the latter, I am not sure that plot() returns an object you can store and retrieve.