Re: closing unit=5 and unit=6 and print *


"glen herrmannsfeldt" <gah@xxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:ed1rhl$356$2@xxxxxxxxxxxxxxxxxxx
(snip)

This reminds me that some DEC compilers, with unit 5 and 6
both specified as the terminal, would allow either input or
output on either unit. I believe they were unbuffered so there
wasn't any problem mixing them, but I am not sure about that.

I do know of programs using 5 for both terminal input and output.

You are talking about the compilers for PDP-11 and VAX. The f90 compiler
for Alpha used negative numbers for those two units. I barely remember that
the f90 compiler would not accept negative numbers in the open statement.
I can't remember about reading and writing to unit 5 because my programs
never did that. I always read from unit 5 and wrote to unit 6.
Jim


.

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