Name: princ

Syntax:
(princ [expr [filename]])

Description:
Displays the text string, expression, or variable value at the Command line or in the optional file.

Note: Control characters are acted upon.

Control Characters	Meaning
\\	Single Backslash
\"	Double quote character
\e	Escape character
\n	New line feed
\r	Return character
\t	Tab character
\nnn	Octal code nnn
\U+nnn	Unicode nnn
\M+Nnnn	Unicode nnn

Example(s):
(princ "\nHello World!")
Hello World! "\nHello World!"

(setq op-file (open "test.txt" "w"))
(princ "\nHello World!" op-file)
"\nHello World!"