set-1:
    all: 0.3
set-2:
    001-vars-str.pl: '200.20.2.01'
    002-vars-str-singlequote.pl: 'Angry-Armadillo'
    003-vars-datestamp.pl: '2011-05-24T01:28:10'
    004-our-double-def.pl: '3.1.4.1.6'
set-3:
    001-vars-concat-str.pl: '2011-05-24-v1.2'
    002-vars-sprintf.pl: '2011-05-24-v1.2'
    003-vars-num-add.pl: '0.201'
    004-realworld-dau.pl: '2.4.3'