freebsd-dev/bin/ed
Wolfgang Helbig fd0e1c252b Ensure stdout is line buffered.
Change "pat" -> "re" in man page.
1997-12-31 12:25:35 +00:00
..
test Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
buf.c Ensure stdout is line buffered. 1997-12-31 12:25:35 +00:00
cbc.c sccsid -> rcsid and fix some minor nits. 1997-08-07 21:33:47 +00:00
ed.1 Ensure stdout is line buffered. 1997-12-31 12:25:35 +00:00
ed.h Remove simultaneous include of <sys/param.h> and <sys/types.h>. 1997-12-10 22:18:54 +00:00
glbl.c sccsid -> rcsid and fix some minor nits. 1997-08-07 21:33:47 +00:00
io.c sccsid -> rcsid and fix some minor nits. 1997-08-07 21:33:47 +00:00
main.c make signal handlers errno safe 1997-10-08 14:47:56 +00:00
Makefile Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
POSIX Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
re.c sccsid -> rcsid and fix some minor nits. 1997-08-07 21:33:47 +00:00
README Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
sub.c sccsid -> rcsid and fix some minor nits. 1997-08-07 21:33:47 +00:00
undo.c sccsid -> rcsid and fix some minor nits. 1997-08-07 21:33:47 +00:00

$Id$

ed is an 8-bit-clean, POSIX-compliant line editor.  It should work with
any regular expression package that conforms to the POSIX interface
standard, such as GNU regex(3).

If reliable signals are supported (e.g., POSIX sigaction(2)), it should
compile with little trouble.  Otherwise, the macros SPL1() and SPL0()
should be redefined to disable interrupts.

The following compiler directives are recognized:
DES		- to add encryption support (requires crypt(3))
NO_REALLOC_NULL	- if realloc(3) does not accept a NULL pointer
BACKWARDS	- for backwards compatibility
NEED_INSQUE	- if insque(3) is missing

The file `POSIX' describes extensions to and deviations from the POSIX
standard.

The ./test directory contains regression tests for ed. The README
file in that directory explains how to run these.

For a description of the ed algorithm, see Kernighan and Plauger's book
"Software Tools in Pascal," Addison-Wesley, 1981.