(read)

(read-char) →

(read string)

Determine the first item in a string.

This function returns the first list item or atom in the string. Spaces may not be used within the string argument unless they are within a list or string.

Examples

Code	Returns	Type
(read "one" )	ONE	Atom.
(read "one two" )	ONE	Atom.
(read " (1 2 3) (1) " )	(1 2 3)	List.
(read " (one two) " )	(ONE TWO)	List.
(read "12")	12	Integer.
(read "\"First Name:\"")	"First Name:"	String.

Tell me about...

(car list)

(cdr list)

(last list)

(print [expression [file-descriptor]])

(read-char [file-descriptor])

(write-line string [file-descriptor])

LISP Compatibility

Programming Overview of LISP (LISt Processing) Language