Terminal control/Clear the screen: Difference between revisions
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=={{header|Tcl}}== |
=={{header|Tcl}}== |
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This only works on systems with ANSI terminal handling, i.e., Unix platforms. |
This only works on systems with ANSI terminal handling, i.e., Unix platforms. |
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<lang tcl>puts -nonewline \033\[2J |
<lang tcl>puts -nonewline "\033\[2J" |
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flush stdout</lang> |
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=={{header|UNIX Shell}}== |
=={{header|UNIX Shell}}== |
Revision as of 16:40, 15 October 2010
You are encouraged to solve this task according to the task description, using any language you may know.
Clear the terminal window
AWK
<lang awk>system("clear")</lang>
BASIC
<lang qbasic>CLS</lang>
Batch File
CLS
Forth
<lang forth>page</lang>
Logo
<lang logo>cleartext</lang> There is a separate command to reset the turtle graphics window. <lang logo>clearscreen cs ; abbreviation for clearscreen clean ; like cs, but doesn't reset turtle position</lang>
PureBasic
Clears the whole console content using the current background color. <lang PureBasic>ClearConsole()</lang>
Retro
<lang Retro>clear</lang>
REXX
The REXX programming language does not include a facility to clear the screen. However, it is possile to execute an external system command to achieve this task:
'clear'
There are also various workarounds which are platform specific:
regina
The regina interpreter supports the rexxcurses plugin, which provides the facility to clear the screen:
Tcl
This only works on systems with ANSI terminal handling, i.e., Unix platforms. <lang tcl>puts -nonewline "\033\[2J" flush stdout</lang>
UNIX Shell
The clear command can be used to clear the terminal screen:
<lang bash>clear</lang>