Questions tagged [stdout]

Is it possible in Python to determine if there is data in sys.stdin? I came across the os.isatty(0) function, which can be used to not only verify if stdin is connected to a TTY device, but also to check for available data. However, I noticed that even w ...

I need help with a Node.js code snippet that writes multiple lines to the console and then clears only those specific lines. process.stdout.write(['a', 'b', 'c'].join('\n')) setInterval(() => { process.s ...

After running model.predict(), the output looks like this: 0: 480x640 1 Hole, 234.1ms Speed: 3.0ms preprocess, 234.1ms inference, 4.0ms postprocess per image at shape (1, 3, 640, 640) 0: 480x640 1 Hole, 193.6ms Speed: 3.0ms preprocess, 193.6ms inference, ...

Recently, I created a custom function that executes external commands and stores their outputs. Here is an example of how it looks: proc = subprocess.run(command_line, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE) if proc.returncode ...

I've encountered an issue where sending data from a typed array to a subprocess's stdin gets truncated if the data in the typed array is changed. Below is a small example demonstrating this problem. The subprocess in question is a simple C++ app ...

Is there a way to redirect each string output to standard out to another command? // Example file: example.js #!/usr/bin/env node process.stdout.write('foo') process.stdout.write('bar') After running ./example.js | wc -m, the total character count of bot ...

I'm currently developing a command-line tool for a node.js application that requires running npm commands and displaying the results. Here's what I've come up with so far: import {spawn} from 'child_process'; let projectRoot = &a ...

While coding in Python on a Linux system, I encountered an issue where I needed to separate the standard output and errors into different files rather than displaying them on the console. Let's consider a simple Python file named example.py: print('conso ...

My goal is to run a program interactively using the Python subprocess module, allowing me to write to standard input and immediately receive output from standard output. Despite trying various solutions found here, none seem to meet my requirements. The c ...

Is there a way to capture the output of a command line execution in Python? import subprocess cmd = ['ipconfig'] proc = subprocess.Popen(cmd, stdout=subprocess.PIPE) output = proc.communicate()[0] print output In the example above, capturing th ...

Encountering the widely acknowledged "Error [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client" in my node application. Despite following recommended solutions from various resources, such as ensuring all other responses are "ret ...

Currently, I am working on developing a background program that has the capability to be easily paused and resumed. By initiating another instance of prog.py and utilizing pause flags, I have been able to successfully achieve this functionality. Utilizing ...

I am trying to capture all the output text from stdout as a string. from sys import stdout stdout.read() # throws io.UnsupportedOperation: not readable Here is an example of the desired outcome: print("abc") stdout.read() == "abc" # ...

Hey there, I'm currently working on a project that involves using Selenium. My goal is to have my program input the terminal responses (i.e. my print statements). For each page that loads, I print out the name of the page - for example, "forum homepage" or ...

My current program is not initiated within Node.js, which means I am unable to utilize the stdin from a spawned process. Instead, I have access to the PID of the process that is awaiting input via stdin. How can I write to this process using my Node code? ...