Retrieves the current position within an open file.
This intrinsic is provided in both subroutine and function forms; however, only one form can be used in any given program unit.
|OFFSET||Shall of type
|UNIT||Shall of type
In either syntax, OFFSET is set to the current offset of unit number UNIT, or to -1 if the unit is not currently open.
PROGRAM test_ftell INTEGER :: i OPEN(10, FILE="temp.dat") CALL ftell(10,i) WRITE(*,*) i END PROGRAM
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