title: Open file in ML(SMLNJ)
body: <p>I need to read file in ML (SLMNJ) and save it in some structures. I need to read some data that points to graph declaration: </p>
  
  <pre><code>[( 1 , 2 , 13 ),( 2 , 3 , 3 ),( 2 , 4 , 8 ),( 2 , 5 , 4 ),( 3 , 1 , 5 ),( 3 , 4 , 1 ),( 4 , 6 , 5 ),( 5 , 5 , 5 ),( 6 , 4 , 6 )]
  </code></pre>
  
  <p>(first number: name of the node , secend number: name of connected node , third number weight for this mane (each () show one mane ) )</p>
  
  <p>for expamle this is test input how to read file and which structure to save it</p>