Arrays

• ¿¹Á¦:
            BEGIN    { FS = "\t" }
           { pop[$4] += $3 }
         END    { for ( name in pop )
               print name, pop[name]
           }
   

• The delete Statement

  ¿¹Á¦:
        for (I in pop)
           delete pop[I]
   

• The split Function

  ¿¹Á¦:
        split( "7/4/76", arr, "/")
    
                 arr["1"] <- 7
             arr["2"] <- 4
    arr["3"] <- 76
   

• Multidimensional Arrays

  ¿¹Á¦:
        for (I = 1; I <= 10; I++)
            for (j = 1; j <=10; j++)
                arr[I, j] = 0