Clear screen in shell

Question

Just a quick question  How do you clear the screen in shell  I ve seen ways like   import os os system  cls     This just opens the windows cmd  clears the screen and closes but I want the shell window to be cleared  PS  I don t know this helps  but I m using version 3 3 2 of Python  Thank you

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If you are using linux terminal to access python  then cntrl l is the best solution to clear screen

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For macOS OS X  you can use the subprocess module and call  cls  from the shell  import subprocess as sp sp call  cls   shell True   To prevent  0  from showing on top of the window  replace the 2nd line with  tmp   sp call  cls   shell True   For Linux  you must replace cls command with clear tmp   sp call  clear   shell True

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os system  cls   works fine when I open them  It opens in cmd style

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For the Python IDLE 3 8 1 you can restart the Shell CTRL   F6 On the menu Click on the Shell menu  Then click on the Restart Shell option

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The sort of thing that you are looking for is to be found in the curses module   i e   import curses    Get the module stdscr   curses initscr      initialise it stdscr clear      Clear the screen   Important Note  The important thing to remember is before any exit  you need to reset the terminal to a normal mode  this can be done with the following lines   curses nocbreak   stdscr keypad 0  curses echo   curses endwin     If you don t you will get all sort of strange behaviour   To ensure that this is always done I would suggest using the atexit module  something like   import atexit   atexit register def goodbye            Reset terminal from curses mode on exit         curses nocbreak       if stdscr          stdscr keypad 0      curses echo       curses endwin     Will probably do nicely

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That s the best way    gt  gt  gt import os  gt  gt  gt def cls    os system  cls    gt  gt  gt cls

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you can Use Window Or Linux Os  import os os system  cls   os system  clear    you can use subprocess module  import subprocess as sp x sp call  cls  shell True

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import curses stdscr   curses initscr   stdscr clear

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import os  os system  cls      For Windows os system  clear      For Linux OS X

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An easier way to clear a screen while in python is to use Ctrl   L though it works for the shell as well as other programs

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using windows 10 and pyhton3 5 i have tested many codes and nothing helped me more than this   First define a simple function  this funtion will print 50 newlines  the number 50 will depend on how many lines you can see on your screen  so you can change this number   def cls    print    n    50    then just call it as many times as you want or need  cls

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What about the shortcut CTRL L   It works for all shells e g  Python  Bash  MySQL  MATLAB  etc

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In addition to being an all-around great CLI library  click also provides a platform-agnostic clear   function   import click click clear

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Command K works fine in OSX to clear screen   Shift Command K to clear only the scrollback buffer

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Here s how to make your very own cls or clear command that will work without explicitly calling any function   We ll take advantage of the fact that the python console calls repr   to display objects on screen  This is especially useful if you have your own customized python shell  with the -i option for example  and you have a pre-loading script for it  This is what you need   import os class ScreenCleaner      def   repr   self           os system  cls      This actually clears the screen         return       Because that s what repr   likes  cls   ScreenCleaner     Use clear instead of cls if you re on linux  in both the os command and the variable name    Now if you just write cls or clear in the console - it will clear it  Not even cls   or clear   - just the raw variable  This is because python will call repr cls  to print it out  which will in turn trigger our   repr   function   Let s test it out    gt  gt  gt  df sag Traceback  most recent call last     File   lt stdin gt    line 1  in  lt module gt  NameError  name  df  is not defined  gt  gt  gt  sglknas Traceback  most recent call last     File   lt stdin gt    line 1  in  lt module gt  NameError  name  sglknas  is not defined  gt  gt  gt  lksnldn Traceback  most recent call last     File   lt stdin gt    line 1  in  lt module gt  NameError  name  lksnldn  is not defined  gt  gt  gt  cls   And the screen is clear   To clarify - the code above needs to either be imported in the console like this  from somefile import cls   Or pre load directly with something like   python -i my pre loaded classes py

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Rather than importing all of curses or shelling out just to get one control character  you can simply use  on Linux macOS    print chr 27      2J      Source  Clear terminal in Python

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This function works in any OS  Unix  Linux  macOS  and Windows  Python 2 and Python 3  import platform      For getting the operating system name import subprocess    For executing a shell command  def clear screen                Clears the terminal screen                 Clear command as function of OS     command    cls  if platform system   lower     windows  else  clear         Action     return subprocess call command     0   In windows the command is cls  in unix-like systems the command is clear  platform system   returns the platform name  Ex   Darwin  for macOS  subprocess call   performs a system call  Ex  subprocess call   ls   -l

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Subprocess allows you to call  cls  for Shell   import subprocess cls   subprocess call  cls  shell True    That s as simple as I can make it  Hope it works for you

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Here are some options that you  can use on Windows  First option   import os cls   lambda  os system  cls     gt  gt  gt  cls     Second option   cls   lambda  print   n    100    gt  gt  gt  cls     Third option if you are in Python REPL window   Ctrl L

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I am using a class that just uses one of the above methods behind the scenes    I noticed it works on Windows and Linux    I like using it though because it s easier to type clear   instead of system  clear   or os system  clear    pip3 install clear-screen  from clear screen import clear   and then when you want to clear the shell   clear

[python] Clear screen in shell

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