I am running on Ubuntu 24.04. I created a bash script that reads a file line by line in a loop and asks in this loop for a user input. (In fact it calls a function where this happens and…
I have come across the command line wc < f1 f2 and it's not clear for me what is happening under the hood: $ echo -n 'a' > f1 $ wc f1 0 1 1 f1 $ echo -n 'bb'…
I have a file called HelloWorld.c that performs some operations to read standard input and create a jagged array of doubles. the problem is the reading from standard input. the code is working fine (the array is created) when I…
I have a problem that only appears on Windows 10 when I run a python script from the console (or a ProcessBuilder in Java) with an stdin input. When I run this code on Ubuntu : import sys print(sys.stdin.read()) With…
i am trying to pass the password using stdin but I am getting an error. Here is what I tried. echo myPassword | sudo -S su - userName -s /bin/bash echo 'myPassword' | sudo -S su - userName -s /bin/bash…
I intend to develop a command line tool by C in the CentOS, with the following code: // client.c #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <termios.h> int main(int argc, char *argv[]) { char command[128]; while (1) {…
I am trying to process the output of a specific function that uses process.stdout / process.stdin to print the commands results to the terminal. To be more specific, this Kubernetes function https://github.com/kubernetes-client/javascript/blob/master/src/exec.ts with this usage: const exec = new k8s.Exec(kc);…
I want to redirect stdin to a file, so that I can write to the file and my program prints the character. Below is a simple c code snippet, which prints stdin. The programm is compiled with gcc and runs…