Reads a string from the keyboard or from an open file, until an end-of-line marker is encountered
Supported Platforms: Windows and Mac OS
(read-line [file-desc])
Type: File
A file descriptor (obtained from open) referring to an open file. If no file-desc is specified, read-line obtains input from the keyboard input buffer.
Type: String
The text read by read-line, without the end-of-line marker. If read-line encounters the end of the file, it returns nil.
Open a file for reading:
(setq f (open "c:\\my documents\\new.tst" "r")) #<file "c:\\my documents\\new.tst">
Use read-line to read a line from the file:
(read-line f) "To boldly go where nomad has gone before."
Obtain a line of input from the user:
(read-line) To boldly go "To boldly go"
Open a file for reading:
(setq f (open "/my documents/new.tst" "r")) #<file "/my documents/new.tst">
Command:
Use read-line to read a line from the file:
(read-line f) "To boldly go where nomad has gone before."
Obtain a line of input from the user:
(read-line) To boldly go "To boldly go"