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MathGroup Archive 2013

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small string issue

  • To: mathgroup at smc.vnet.net
  • Subject: [mg131779] small string issue
  • From: Francisco Gutierrez <fgutiers2002 at yahoo.com>
  • Date: Thu, 3 Oct 2013 00:35:19 -0400 (EDT)
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  • Reply-to: Francisco Gutierrez <fgutiers2002 at yahoo.com>

Dear group:

I am importing into Mathematica a big number of dates. For example:


unasfechas = {11/06/1998, 21/01/2010, 12/10/2001, 20/07/2009, 
  02/02/2002, 02/01/2004, 19/11/2001, 14/02/2010, 26/12/2009, 
  20/10/1996, 09/07/2006, 01/01/1997, 30/08/1998, 15/02/2006, 
  13/12/2009, 25/09/2002, 29/06/2009, 02/04/2010, 22/02/2001, 
  01/04/2010}


These dates come from Excel files, and are brought into Mathematica not as strings but as numbers. I want to transform them into strings to
be able to apply functions like DateList, etc.

In principle, this should be easy. This example, taken from the documentation, is simple and clear:
ToString[x^2, InputForm]



Which returns a workable string.

However:
ToString[unasfechas[[1]], InputForm]


returns 
11/11988

also a string but after applying an operation to what it considers the denominator.

how should I proceed
Thanks
Francisco


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