Hi learner@perl,
Since your output 20130501 20130401 20130601 is the same with what you want what 20130501 20130401 20130601 what next? You have solved your own problems. Except your expected output is different.
If you tell me, I'll forget.
If you show me, I'll remember.
if you involve me, I'll understand.
--- Author unknown to me
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