How to animate the command line?

Question :

How to animate the command line?,

Answer :

I have always wondered how people update a previous line in a command line. a great example of this is when using the wget command in linux. It creates an ASCII loading bar of sorts that looks like this:

[======>                    ] 37%

and of course the loading bar moves and the percent changes, But it doesn’t make a new line. I cannot figure out how to do this. Can someone point me in the right direction?

,

One way to do this is to repeatedly update the line of text with the current progress. For example:

def status(percent):      sys.stdout.write("%3d%%r" % percent)      sys.stdout.flush()  

Note that I used sys.stdout.write instead of print (this is Python) because print automatically prints “rn” (carriage-return new-line) at the end of each line. I just want the carriage-return which returns the cursor to the start of the line. Also, the flush() is necessary because by default, sys.stdout only flushes its output after a newline (or after its buffer gets full).

Read More  Form post doesn’t contain textbox data [ASP.NET C#]

That’s the answer How to animate the command line?, Hope this helps those looking for an answer. Then we suggest to do a search for the next question and find the answer only on our site.

Disclaimer :

The answers provided above are only to be used to guide the learning process. The questions above are open-ended questions, meaning that many answers are not fixed as above. I hope this article can be useful, Thank you