New routine returns NIL

I have been working on the following routine for part of today with the help of this site have been pretty sugesful. The routine runs and works all the way through. I am however getting a NIL towards the end of the line. Here is the routine:

^C^C(setq scale (getreal "Scale Factor: "))(command "-insert" "J:/Library/Symbols/Architectural/Tags/ele-mark.dwg" pause scale "" pause)(command "-insert" "J:/Library/Symbols/Architectural/Tags/elesec-att.dwg" (getvar "lastpoint") scale "" "0" );

the last insert is an attribute and at the end it asks to insert the attribute fields what happens is the follow:

angle <0d0'0">: 0
Enter attribute values
DETAIL <??>: nil
DETAIL <??>:
SHEET NUMBER <??.??>:

I am unclear why the nil happens. now I have attempted different things. I have removed the second insert and attempt this routine with just one insert and I sill get a nil at the end. that nil comes on the next command line, and i am able to continue to work without a problem. I have removed the semi-colon at the end and I still get nil.

Any suggestions would be greatly appreciated.

 

A lisp function always returns returns a value. The Command lisp function returns nil.
To avoid the nil, use (princ) at the end of your lisp routines.

Try this instead:

^C^C(progn (setq scale (getreal "Scale Factor: "))(command "-insert"
"J:/Library/Symbols/Architectural/Tags/ele-mark.dwg" pause scale "" pause)(command "-insert"
"J:/Library/Symbols/Architectural/Tags/elesec-att.dwg" (getvar "lastpoint") scale "" "0" ) (princ));

been pretty sugesful. The routine runs and works all the way through. I am however getting a NIL
towards the end of the line. Here is the routine:

"J:/Library/Symbols/Architectural/Tags/ele-mark.dwg" pause scale "" pause)(command "-insert"
"J:/Library/Symbols/Architectural/Tags/elesec-att.dwg" (getvar "lastpoint") scale "" "0" );

insert and attempt this routine with just one insert and I sill get a nil at the end. that nil comes
on the next command line, and i am able to continue to work without a problem. I have removed the
semi-colon at the end and I still get nil.

 

It looks like a block you're inserting contains multiple attributes. AutoCAD is expecting you to supply values for the attributes when you insert the block. If you don't want to assign values to the attributes when you insert the block, you can make AutoCAD not ask for the values by setting the ATTREQ sysvar to 0.

(setvar "attreq" 0)

Set it to 1 to turn the automatic request back on when you're done.

 

Replace the ";" on the end with (princ)

Bob