On Fri, Oct 16, 2020 at 11:08 PM Rob Cliffe <rob.cli...@btinternet.com> wrote: > > > > On 16/10/2020 11:59, Chris Angelico wrote: > > On Fri, Oct 16, 2020 at 8:21 PM Rob Cliffe via Python-ideas > > <python-ideas@python.org> wrote: > >> > >> > >> On 13/10/2020 23:35, Guido van Rossum wrote: > >>> Can one of the educators on the list explain why this is such a > >>> commonly required feature? I literally never feel the need to clear my > >>> screen -- but I've seen this requested quite a few times in various > >>> forms, often as a bug report "IDLE does not support CLS". I presume > >>> that this is a common thing in other programming environments for > >>> beginners -- even C++ (given that it was mentioned). Maybe it's a > >>> thing that command-line users on Windows are told to do frequently? > >>> What am I missing that students want to do frequently? Is it a > >>> holdover from the DOS age? > >>> > >> Sometimes I want a program that displays (more than 1 line of) real-time > >> information in a Windows CMD box and refreshes it every few seconds > >> (e.g. progress displays, monitoring open > >> files/locks/connections/downloads etc.). It is natural to clear the > >> screen and display the updated information. > > Natural perhaps, but ugly. Much better to reposition the cursor and > > overwrite the previous text, with "clear to end of line" as required; > > that way, you avoid flicker. > > > > C > I do precisely that in many of my programs for e.g. single-line progress > displays. > But for multi-line output I don't know of any way to move the cursor > back up. > I work in Windows 10.
Try \x1b[A to move up a line, should work. ChrisA _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@python.org https://mail.python.org/mailman3/lists/python-ideas.python.org/ Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/5VZGBRIEW5UPQ6VCYQXC3UUNNHQXNFRB/ Code of Conduct: http://python.org/psf/codeofconduct/
