The program package I am using executes programs in the following way (under Unix):
 program.bin < program.input

So the file "program.input" is piped in to the program "program.bin" and thus to my understanding the "program.input" is connected
to the standard input of the fortran program.

Now I would like to be able for a new programme to have some manual interaction with the program. So read something from standard
input (i.e. command line) and let the program do something based on that input. However, since the file "program.input" is now the
standard input I do not seem to be able to input anything from the command line. I tried closing and reopening unit 5 but that
does not work.

Any hints and tips how to solve this using Fortran90 or 95.

Of course the easiest for this program is to run it without piping anything into the programme. However, that would affect all the
other programs I have (although the change would just be in 1 library, so it is not impossible). However, if there is an easier
way around this I would be very interested!

Many thanks in advance!