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Following is an example to assign a single element of the array: The above statement assigns element number 5th in the array with a value of 50.0. All arrays have 0 as the index of their first element which is also called base index and last index of an array will be total size of the array minus 1. Following is the pictorial representation of the same array we discussed above:
An array is a table of values, called elements. The elements of an array are distinguished by their indices. Indices may be either numbers or strings. awk maintains a single set of names that may be used for naming variables, arrays and functions (see section User-defined Functions).