Passing Arguments to Fortran Programs

$ cat delme.f90
program delme
    read(*, *) i, j, k
    write(*, *) i, j, k
end program delme

$ echo "1 2 3" | ./delme
           1           2           3

$ echo "45 46 47" > delme.input
$ ./delme < delme.input
          45          46          47

$ ./delme << EOF
> 3 2 1
> EOF
           3           2           1
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