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Re: Sorting a list of names

  • To: mathgroup at smc.vnet.net
  • Subject: [mg112279] Re: Sorting a list of names
  • From: Adriano Pascoletti <adriano.pascoletti at uniud.it>
  • Date: Tue, 7 Sep 2010 06:08:13 -0400 (EDT)

Use SortBy:

In[2]:= SortBy[names, Last[StringSplit[#1, " "]] & ]

Out[2]= {"Mackenzie Christensen", "Cole Dockter", "Rebecca Eastham", 
   "Cecilia Ford", "David Gartzke", "Tyler Hullett", "Matthew \
Lundberg", 
   "Grant Patterson"}

Adriano Pascoletti

On 20100907, at 08.02, Jon Joseph wrote:

> All: I have a list of names read in as strings with first names first. 
> Can anyone suggest a mechanism to sort the list by the last names with 
> the final output being the entire name?
> 
> Starting array:
> 
> names = {"Cole Dockter", "Mackenzie Christensen", "Rebecca Eastham", 
> "David Gartzke", \
> "Matthew Lundberg", "Tyler Hullett", "Cecilia Ford", "Grant Patterson"}
> 
> Ending array:
> 
> names_sorted = {"Mackenzie Christensen", "Cole Dockter", "Rebecca 
> Eastham", "Cecilia Ford", "David Gartzke", "Tyler Hullett", "Matthew 
> Lundberg", "Grant Patterson"}
> 
> As a note Sort[StringSplit[names][[All, 2]]] does exactly what I want 
> except it drops the first name on output.=
> 



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