Python with Bash

This is how to utilize piping with Python programs in Bash.

Example

See this simple echo.py:

import sys

if __name__ == "__main__":
    for line in sys.stdin:
        sys.stderr.write("DEBUG: got line: " + line)
        sys.stdout.write(line)

running:

$ ls | python echo.py 2>debug_output.txt | sort

output:

echo.py
test.py
test.sh

debug_output.txt content:

DEBUG: got line: echo.py
DEBUG: got line: test.py
DEBUG: got line: test.sh

References

1. https://stackoverflow.com/questions/4429966/how-to-make-a-python-script-pipeable-in-bash

Last modified: 202401040446