[Tutor] Writing to the terminal?

[Karim]

Hello Steven,

I added the pipe char '|' to have a complete spinner!
This would be set as a function for my wait routine installer.

Thanks to share!
Karim


On 12/10/2010 09:51 PM, Steven D'Aprano wrote:
> Modulok wrote:
>> List,
>>
>> Forgive me if I don't describe this well, I'm new to it:
>
> [snip description of a progress bar]
>
> Here's one way:
>
> import time, sys
> f = sys.stdout
> for i in range(20):
>     time.sleep(1)  # do some work
>     f.write('=')
>     f.flush()  # make the change visible immediately
> else:
>     f.write('\n')
>
>
> You might be able to get the same effect with print, but it's probably 
> easier using sys.stdout directly.
>
> Here's another way, which *must* use stdout and not print.
>
> for i in range(20):
>     percentage = i/20.0
>     spinner = '/-\\-'[i % 4]
>     f.write("Progress: %5.2f%% %s %s>\r" %
>             (percentage, spinner, '='*(i+1)))
>     f.flush()
>     time.sleep(1)
> else:
>     f.write('\n')
>
>
>
>
>