How to assign the result of the previous expression to a variable?
.Last.value is an answer. It was answered once but you have better title.
interactive
How to fill user input for interactive command for “RUN” command?
Did you try to disable it? FROM ubuntu:19.04 ENV DEBIAN_FRONTEND noninteractive RUN apt update && apt install -y tcl
Running an interactive command from within Python
If you are communicating with a program that subprocess spawns, you should check out A non-blocking read on a subprocess.PIPE in Python. I had a similar problem with my application and found using queues to be the best way to do ongoing communication with a subprocess. As for getting values from the user, you can … Read more
How to drop into REPL (Read, Eval, Print, Loop) from Python code
I frequently use this: def interact(): import code code.InteractiveConsole(locals=globals()).interact()
Interactive input/output using Python
None of the current answers worked for me. At the end, I’ve got this working: import subprocess def start(executable_file): return subprocess.Popen( executable_file, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) def read(process): return process.stdout.readline().decode(“utf-8″).strip() def write(process, message): process.stdin.write(f”{message.strip()}\n”.encode(“utf-8”)) process.stdin.flush() def terminate(process): process.stdin.close() process.terminate() process.wait(timeout=0.2) process = start(“./dummy.py”) write(process, “hello dummy”) print(read(process)) terminate(process) Tested with this dummy.py script: #!/usr/bin/env python3.6 import … Read more
Interactive shell using Docker Compose
You need to include the following lines in your docker-compose.yml: version: “3” services: app: image: app:1.2.3 stdin_open: true # docker run -i tty: true # docker run -t The first corresponds to -i in docker run and the second to -t.
Passing arguments to an interactive program non-interactively
Many ways pipe your input echo “yes no maybe” | your_program redirect from a file your_program < answers.txt use a here document (this can be very readable) your_program << ANSWERS yes no maybe ANSWERS use a here string your_program <<< $’yes\nno\nmaybe\n’