Before reading the above comments I used the localtime function of
Time::Local to convert the dates into epochs and then comparing
numerically.

But thanks as i was not knowing that the strings i.e 2007-12-01 and
2007-12-02 can be compared using the string operators for dates. Can
anyone point me to how strings are compared. To be more ellaborate i
can understand if strings like 2007-12-01 is less than 2007-12-02 but
how can a string 2007-11-01 will be less than 2007-12-01 .


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