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When trying out some variations with `[.data.frame` I noticed some (to me) odd behaviour, which I found out has nothing to do with `[.data.frame`, but rather with the way arguments are matched, when mixing named/unnamed and missing/non-missing arguments. Consider the following example: myfun <- function(x,y,z) { ? print(match.call()) ? cat('x=',if(missing(x)) 'missing'

Hi, My question: ------------ I like to see immediate the results and not after the loop. During the loop, you can''t see any result! Is it possible to follow the results during the each loop? <% $xfiles = doSelect("host=\.*") $xfiles.each {|xfile| doc = Document.new File.new("/home/luc/Ruby/xml/#{xfile}") %> <%= "test=#{xfile}" %> <br> <% doc.elements.each("//ACL") { |element| if element.text() =~ /access-list...