Date validation in a shell script

From: adrienG (member37392_at_dbforums.com)
Date: 08/29/03 

Date: Fri, 29 Aug 2003 06:30:57 -0400

Hello all,

Here is my problem :

I have a script (ksh) which have 1 a parameter :

this parameter must be a date (dd/mm/yyyy).

How can i be sure that this parameter is a valid date :

Does somedy have already done something like this ?

How can i do that ? using cal or date ???

Thanks for your Idea ... 

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