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NetBSD/bin/ed
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lukem 857ab1bdd0 use ${HOST_SH} instead of /bin/sh 2003-10-26 03:50:07 +00:00
..
test use ${HOST_SH} instead of /bin/sh 2003-10-26 03:50:07 +00:00
Makefile Add MK... variables to enable/disable various aspects of building 2000-06-23 06:01:10 +00:00
POSIX Spelling ("occurences" -> "occurrences") 1999-11-18 19:16:34 +00:00
README convert to new RCS id conventions. 1995-03-21 09:01:59 +00:00
buf.c Fix typos in comments. From Jared Yanovich via jmc@openbsd. 2003-10-19 01:52:45 +00:00
cbc.c Fix typos in comments. From Jared Yanovich via jmc@openbsd. 2003-10-19 01:52:45 +00:00
ed.1 Reinstate paragraph about -E, sort option descriptions, and bump date for -E addition. 2003-09-08 13:13:08 +00:00
ed.h clear errno before strtol() if we're going to test it for ERANGE afterwards 2003-04-17 02:54:07 +00:00
glbl.c Add some braces to make egcs happy. 1998-08-19 01:31:46 +00:00
io.c make this compile without -DBACKWARDS [someone deleted an unused variable 2000-04-17 23:37:30 +00:00
main.c Add a -E flag to ed(1) and sed(1) so that they can use extended 2002-01-23 19:07:33 +00:00
re.c Avoid conflict with reserved identifier "exp". 2002-12-06 01:39:10 +00:00
sub.c - Use __RCSID() and __COPYRIGHT(). 1997-07-20 06:35:35 +00:00
undo.c - Use __RCSID() and __COPYRIGHT(). 1997-07-20 06:35:35 +00:00

README 

$NetBSD: README,v 1.9 1995/03/21 09:04:33 cgd Exp $

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.