unmarked_articles

 $newsrc->unmarked_articles(groupname, n, m[, options])

Returns the list of articles from n to m, inclusive, that are not in the article list for the newsgroup. Arguments are:

groupname

Group to return articles from.

n

Number of the first article in the range.

m

Number of the last article in the range.

options

Hash. See description under add_group.