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## 16.6 )clear

ugSysCmdclear

clear

User Level Required: interpreter

Command Syntax:

)clear all
)clear completely
)clear properties all
)clear properties obj1 [obj2 ...]
)clear value all
)clear value obj1 [obj2 ...]
)clear mode all
)clear mode obj1 [obj2 ...]

Command Description:

This command is used to remove function and variable declarations, definitions and values from the workspace. To empty the entire workspace and reset the step counter to 1, issue

)clear all

To remove everything in the workspace but not reset the step counter, issue

)clear properties all

To remove everything about the object x, issue

)clear properties x

To remove everything about the objects x, y and f, issue

)clear properties x y f

The word properties may be abbreviated to the single letter ``p''.

)clear p all
)clear p x
)clear p x y f

All definitions of functions and values of variables may be removed by either

)clear value all
)clear v all

This retains whatever declarations the objects had. To remove definitions and values for the specific objects x, y and f, issue

)clear value x y f
)clear v x y f

To remove the declarations of everything while leaving the definitions and values, issue

)clear mode all
)clear m all

To remove declarations for the specific objects x, y and f, issue

)clear mode x y f
)clear m x y f

The )display names and )display properties commands may be used to see what is currently in the workspace.

The command

)clear completely

does everything that )clear all does, and also clears the internal system function and constructor caches.

Also See: )display ugSysCmddisplay, )history ugSysCmdhistory, and )undo ugSysCmdundo.

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