lisp problem

I have:
(setq ssl (ssget "X" '((0 . "INSERT"))))

I get:
a selection set of all blocks in the drawing.

My problem:
If I put this lisp line after the one above:
(command "explode" "p" "")
I get an error: *Invalid Selection* Expects a point or Last/All/Group

However, if I type the following on the command line after executing the
first lisp line (ssget):
explode <enter> p <enter><enter>
The set of all blocks is exploded.


Why does explode, previous, work on the command line and not in the lisp
code?

 

What I meant to say is that the explode command has the selection option,
"previous" when used on the command line but when using it in lisp code, it
does not appear to have have that option (along with a few other options)

Anyway, thanks for the help. It works fine. I simplified the loop a bit:

(setq ssl (ssget "X" '((0 . "INSERT"))))
(setq cont 0)
(while (ssname ssl cont)
(command "_explode" (ssname ssl cont))
(setq cont (+ 1 cont))
)

Regards,
Pete

 

Thanks for the tip. It works fine now after I simplified the code a bit:

(setq ssl (ssget "X" '((0 . "INSERT"))))
(setq cont 0)
(while (ssname ssl cont)
(command "_explode" (ssname ssl cont))
(setq cont (+ 1 cont))
)

What I meant to say is that the explode command has "previous" for selection
option when used on the command line. When explode is used in lisp code,
the previous option does not function( along with a few other options also).

Regards,
Pete

 

Ok, this is typical Autodesk. Not only is QAFLAGS not documented anywhere
in the help files, it is not even listed when using * in the setvar command.
Yet there it is when I enter it on the command line. Anyone care to offer
an explanation of the function of this mystery variable?

 

But be careful using the QAFLAGS system variable - if it is not set to 0
it causes some errors.

Juergen