(type)

(unload_dialog) →

(type item)

Determine the type (for example, file, integer, string, and so forth) of an item.

This function returns the type (such as real number, integer, list, entity name, and so forth) of the item. The following table lists the various types and their meanings.

Types	Meaning
ENAME	Entity name.
EXSUBR	External subroutines: SDS functions.
FILE	File descriptor.
INT	Integer number.
LIST	List and user-defined function.
PAGETB	Function paging table.
PICKSET	Selection set.
REAL	Real number.
STR	String.
SUBR	Subroutines: LISP functions.
SYM	Symbol.

Examples

Code	Returns
(type 2)	INT
(type 2.0)	REAL
(type '(5 6 7))	LIST
(type "Street")	STR
(type setq)	SUBR

(setq x (open "C:\\my.fil" "w"))
(type x)	FILE
(type 'x)	SYM

(setq entinfo (entsel)) (type entinfo) ENAME	Could Return: <Entity name: 208055>

(setq ourset (ssget))	<Selection set: 2>
(type ourset)	PICKSET

Tell me about...

(setq symbol1 statement1 [symbol2 statement2] ...)

(ssget [mode] [point1 [point2]] [point-list] [filter-list])

(zerop number)

LISP Compatibility

Programming Overview of LISP (LISt Processing) Language