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I'm working on a CTF challenge that is find a secret password.This secret password base on the username and password that i input and the hash value had print out after hash calculation and i want to capture this hash value at a parameter to my script to calculate the secret pass Can someone tell me how can i do it or another solution to solve my problem Thanks

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  • Please add more info. Your answer is too generic for people to give meaningful answers.
    – tmr232
    Dec 15 '20 at 20:52
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It sounds like you want your python script to read from stdin.

import sys
if not sys.stdin.isatty():
    param = sys.stdin.read()
    print("param",param)

To use it: echo 'param value' | python3 script.py

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  • tks but i want it read from stdout of program because the program will print one value that i need for calculating
    – y_man
    Dec 3 '20 at 9:32
  • If you're not familiar with linux, the | command redirects the output (stdout) of one program to the input (stdin) of another. So somecommand | python3 script.py will do what you've asked. Dec 3 '20 at 16:28

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