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MathGroup Archive 2012

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Re: how to make a list of rules with 2 other lists composed by different kinds of elements

  • To: mathgroup at smc.vnet.net
  • Subject: [mg127115] Re: how to make a list of rules with 2 other lists composed by different kinds of elements
  • From: Bill Rowe <readnews at sbcglobal.net>
  • Date: Sun, 1 Jul 2012 02:07:30 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com

On 6/30/12 at 5:17 AM, jougraw at gmail.com (Joug Raw) wrote:

>I want to generate a list composed by rules. That is,

>I have two list First one: list1={1, 2, 3} >
>Second one: list2= {"file1", "file2", "file3"}

>What I want is to have a new list like list3= {1 -> "file1", 2
>->"file2", 3 -> "file3"}

In[1]:= list1 = Range[3]

Out[1]= {1,2,3}

In[2]:= list2 = "file" <> ToString@# & /@ list1

Out[2]= {file1,file2,file3}

In[3]:= list3 = Rule @@@ Transpose@{list1, list2}

Out[3]= {1->file1,2->file2,3->file3}




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