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how to make arrays from text file in mathematica??

• To: mathgroup at smc.vnet.net
• Subject: [mg97646] how to make arrays from text file in mathematica??
• From: Nishant <voneur at gmail.com>
• Date: Tue, 17 Mar 2009 05:04:04 -0500 (EST)

Hi
Iv searched for this on the wolfram tutorials but could not find an answer to this.
What I have to do is to convert a text file having a format like this:
a b 123
into a graph with a and b as the nodes and 123 as the weight..
I thought of putting a and b in an array and 123 as the value and then creating a graph from it..the problem is Readlist would read each line as a separate record..and hence making an array out of it is seemingly difficult..
What could be the solution??