CAD tip # 7082:

Question CAD
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Selecting block objects by name.

In order to quickly select block references from a DWG drawing and first of all to perform block selections from AutoCAD script files, you may need a useful tool for selection of blocks by their name.

This function can be performed in two simple ways. E.g. if you need to erase (delete) all blocks named "MYBLOCK" from your drawing, use one of the following methods (menu-macro format used for readability, for scripts replace the semicolons by spaces):

_ERASE;(ssget "_X" '((0 . "INSERT")(2 . "MYBLOCK")))
SSX;;B;MYBLOCK;;_ERASE;_P;;

The first method uses the LISP object selection function. The second method uses the command SSX from Express Tools.

None of these methods can be used in AutoCAD LT.

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27.11.2009 13314×

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applies to: AutoCAD ·

See also:
Tip 12830:	Converting pseudo-tables consisting of lines and texts to TABLE objects in AutoCAD DWGs.
Tip 12685:	ReLinkField - re-link fields to source objects.
Tip 12215:	How to change truecolor DWG objects to indexed ACI colors?
Tip 12210:	How to erase a specific object type in all DWG layouts?
Tip 12172:	How to show or hide an object in all visibility states?

Selected tip: How to export 3D models to the DirectX format (.X)?

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