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Q&A

Welcome to Software Development on Codidact!

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Comments on How to overwrite lines of STDOUT in Python?

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How to overwrite lines of STDOUT in Python?

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print() normally adds text to STDOUT, it does not erase existing text.

https://linux.codidact.com/posts/289869 describes various ways of doing the overwrite in shell scripts.

How can you do this in Python?

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I started writing an answer to this question despite my misgivings, but I think they're too serious t... (1 comment)
I started writing an answer to this question despite my misgivings, but I think they're too serious t...
Karl Knechtel‭ wrote about 1 year ago

I started writing an answer to this question despite my misgivings, but I think they're too serious to ignore. While the general idea is excellent, there are two serious problems here:

  1. Most of the question is language-agnostic (i.e. figuring out what needs to be sent to stdout); the only Python-specific part is the actual interface of the print function, i.e. why the end keyword parameter is necessary).

  2. There is a major lack of separation of concerns between the terminal and stdout itself. While I appreciate that a beginner is likely to phrase things in this way, a proper understanding of the problem requires making the distinction, and exploring the fact that Python itself does not actually display the text.

I figure on writing a self-answered, language-agnostic Q&A about the terminal/stdout distinction, after which hopefully we can discuss reworking this one.