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sub sortByDate { ... return ($aDate cmp $bDate); }
{ date:"2015-03-01", content:"asdf" } ... { date:"2015-01-02", content:"erts" } { date:"2014-04-02", content:"w34r" }
#!/user/bin/perl use strict; ... 2015-05-01 2015-01-02 2014-04-02