Questions tagged [stdio]
The stdio tag has no usage guidance.
5
questions
1
vote
1answer
41 views
Writing and Executing Program to behave like console
I have written a set of programs with the intent of using a radio transmitter-receiver (NRF24L01) to connect two devices as if they were connected via a serial interface.
Currently, i am able to ...
0
votes
0answers
45 views
bifurcate stdout - Send stdout to fd 3 if it's available
We want two stdout streams - one for data another for metadata - instead of sending metadata to stderr - we could send it a 4th fd (3).
How would we do that? Here is a bad start:
my_progam > <...
4
votes
1answer
55 views
Determine if producer is outpacing consumer in pipeline
If I have:
node foo.js | node bar.js
is there a way to determine if there is a queue in between them that's building up?
in other words if the producer is outpacing the consumer w.r.t. stdio?
3
votes
3answers
3k views
Behaviour of the backspace on terminal
This is about the behaviour of the backspace (\b) character.
I have the following C program:
int main() {
printf("Hello\b\b");
sleep(5);
printf("h\n");
return 0;
}
The output on my ...
4
votes
3answers
1k views
Communicate backwards in a pipe
I have a simple pipeline:
node foo.js | node bar.js
bar.js will read from stdin to get data from foo.js.
But what I want to do is ensure that bar.js gets one of the last messages from foo.js before ...
