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CAD tip CAD tip # 7082:

Question CAD 
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Q - question

Selecting block objects by name.

A - answer 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.

ACAD
100% *  CAD 
27.11.2009    9230×  
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applies to: AutoCAD ·

See also:
Tip 11497:Automatic grouping of drawing objects.
Tip 11469:Why you should not use the DEFPOINTS layer to draw geometry?
Tip 11289:Adding, multiplying and rounding numbers inside DWG drawing texts - NumInText.
Tip 11160:Dynamic display of layer/block/text style/linetype properties.
Tip 10015:How to select and modify objects in all layouts of the DWG?


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