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util/cli/SED.lha

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Short:Amiga stream editor
Author:thor at math.tu-berlin.de (Thomas Richter)
Uploader:thor math tu-berlin de (Thomas Richter)
Type:util/cli
Version:40.3
Requires:AmigaOs 3.0 or better
Architecture:m68k-amigaos
Date:2000-12-12
Download:http://aminet.net/util/cli/SED.lha - View contents
Readme:http://aminet.net/util/cli/SED.readme
Downloads:774

______________________________________________________________________________

Purpose of this program:

	SED takes an input file, checks each line of this file against a
	pattern supplied on the command line, and generates a new line from
	this pattern match in the destination. This could either mean that
	the matching line is removed completely from the output, replaced
	by a different line, or changed according to the specifications of
	SED.
	
	SED is an approximation of the Unix "stream editor" sed. It is not
	quite as powerful as sed because its command set is currently very
	limited, and it does not support command files. Its pattern syntax
	is different, too. It still looks like "line noise" to me - I didn't
	want to break with this tradition - but it's at least the Amiga kind
	of line noise.

	Its pattern matching rules are a superset of the AmigaOs patterns,
	with some additional features like "captured expressions" and more
	powerful "character classes" and "escaping".

	SED is useful for automatic processing of text files, e.g. the modi-
	fication of the startup-sequence. SED can also be run as a "filter"
	in which case it reads its input from stdin and prints output to
	stdout. Combine this feature with pipes and you get a very powerful
	text processing tool.

	A warning: Pattern matching looks simple, but is full of hard to gasp
	traps. This tool is therefore thought to be for "expert usage". In 
	case you think SED doesn't process your pattern correctly, think
	twice!

	For further details, please read the SED.doc.
______________________________________________________________________________

Release 40.3:

	VERBOSE prints now also file name and line number information
	such that SED can be used as a "Search" (or "grep") replacement.
______________________________________________________________________________

Release 40.2:

	Due to an oversight, the character ranges [..-..] were broken.
	Fixed.
	Handling of (..|..) "or-operator" was broken. Fixed.
	Escaping with \ could leave bogus patterns in the pattern stream
	and could have caused non-justified "invalid template" errors.
	Fixed.

______________________________________________________________________________

Release 40.1:

	The former release used memory pools, but did not check correctly
	whether the corresponding exec functions are available. Required
	and requires Kickstart 3.0.
	Could have forgotten to return "ERROR_NO_FREE_STORE" for some
	out of memory error conditions.

______________________________________________________________________________

Release 40.0:

	This is the first Aminet release. This is a 40.0 release because
	pattern matching is a very complex buisiness and even though I tested
	this release quite good, I wouldn't be astonished if some flaws still
	remained. Pattern matching logic is astonishing sometimes, so please
	check the documentation first before reporting any "obvious" bugs. The
	obvious bugs should be gone already!

______________________________________________________________________________

                         The THOR-Software Licence (v2, 24th June 1998)


This License applies to the computer programs known as "SED". The "Program", 
below, refers to such program. The "Archive" refers to the package of 
distribution, as prepared by the author of the Program, Thomas Richter. 
Each licensee is addressed as "you".



The Program and the data in the archive are freely distributable
under the restrictions stated below, but are also Copyright (c)
Thomas Richter.

Distribution of the Program, the Archive and the data in the Archive by a
commercial organization without written permission from the author to any
third party is prohibited if any payment is made in connection with such
distribution, whether directly (as in payment for a copy of the Program) or
indirectly (as in payment for some service related to the Program, or
payment for some product or service that includes a copy of the Program
"without charge"; these are only examples, and not an exhaustive enumeration
of prohibited activities).


However, the following methods of distribution
involving payment shall not in and of themselves be a violation of this
restriction:


(i) Posting the Program on a public access information storage and
retrieval service for which a fee is received for retrieving information
(such as an on-line service), provided that the fee is not
content-dependent (i.e., the fee would be the same for retrieving the same
volume of information consisting of random data).


(ii) Distributing the Program on a CD-ROM, provided that

a) the Archive is reproduced entirely and verbatim on such CD-ROM, including
especially this licence agreement;

b) the CD-ROM is made available to the public for a nominal fee only,

c) a copy of the CD is made available to the author for free except for
shipment costs, and

d) provided further that all information on such CD-ROM is redistributable
for non-commercial purposes without charge.


Redistribution of a modified version of the Archive, the Program or the
contents of the Archive is prohibited in any way, by any organization,
regardless whether commercial or non-commercial. Everything must be kept
together, in original and unmodified form.




Limitations.


THE PROGRAM IS PROVIDED TO YOU "AS IS", WITHOUT WARRANTY. THERE IS NO
WARRANTY FOR THE PROGRAM, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. THE ENTIRE
RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD
THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY
SERVICING, REPAIR OR CORRECTION.


IF YOU DO NOT ACCEPT THIS LICENCE, YOU MUST DELETE THE PROGRAM, THE ARCHIVE
AND ALL DATA OF THIS ARCHIVE FROM YOUR STORAGE SYSTEM. YOU ACCEPT THIS
LICENCE BY USING OR REDISTRIBUTING THE PROGRAM.


                                                        Thomas Richter
______________________________________________________________________________

Thomas Richter,
				December 2000


Contents of util/cli/SED.lha
 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 4195    6544  64.1% -lh5- adef Dec  9  2000 sed/sed
[generic]                 6789   18534  36.6% -lh5- ba1e Dec  9  2000 SED/SED.doc
[generic]                 2811    6321  44.5% -lh5- 2145 Dec  9  2000 SED/SED.readme
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         3 files   13795   31399  43.9%            Dec 12  2000

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