K 10 svn:author V 5 dougb K 8 svn:date V 27 2011-05-10T07:12:11.454161Z K 7 svn:log V 210 Small refinement for unlink'ing, in parent_exit the glob pattern in the for loop will return 'pattern-*' if there are no matches, so test for that specifically rather than returning to the conditional version. END