13.4: Implied Do-Loop
- Page ID
- 54347
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An implied do-loop is a special form of a loop that can be performed on one line. This can be useful for accessing elements in an array. For example, assuming i is declared as an integer, the following code,
write (*,*) nums(1), num(2), num(3), num(4), num(5)
would display each element of the 5 element array to the screen.
The same thing can be accomplished with an implied do-loop as follows:
write (*,*) (nums(i), i=1,5)
Both forms of the loop will display the same results. If necessary, a step can be used. If the step is omitted, as in the example, the step is defaulted to 1.