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sed, a stream editor
********************

This file documents version 4.1.5 of GNU `sed', a stream editor.

   Copyright (C) 1998, 1999, 2001, 2002, 2003, 2004 Free Software
Foundation, Inc.

   This document is released under the terms of the GNU Free
Documentation License as published by the Free Software Foundation;
either version 1.1, or (at your option) any later version.

   You should have received a copy of the GNU Free Documentation
License along with GNU `sed'; see the file `COPYING.DOC'.  If not,
write to the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02110-1301, USA.

   There are no Cover Texts and no Invariant Sections; this text, along
with its equivalent in the printed manual, constitutes the Title Page.

* Menu:

* Introduction[別]::               Introduction
* Invoking sed[別]::               Invocation
* sed Programs[別]::               `sed' programs
* Examples[別]::                   Some sample scripts
* Limitations[別]::                Limitations and (non-)limitations of GNU `sed'
* Other Resources[別]::            Other resources for learning about `sed'
* Reporting Bugs[別]::             Reporting bugs

* Extended regexps[別]::           `egrep'-style regular expressions

* Concept Index[別]::              A menu with all the topics in this manual.
* Command and Option Index[別]::   A menu with all `sed' commands and
                               command-line options.

--- The detailed node listing ---

sed Programs:
* Execution Cycle[別]::                 How `sed' works
* Addresses[別]::                       Selecting lines with `sed'
* Regular Expressions[別]::             Overview of regular expression syntax
* Common Commands[別]::                 Often used commands
* The "s" Command[別]::                 `sed''s Swiss Army Knife
* Other Commands[別]::                  Less frequently used commands
* Programming Commands[別]::            Commands for `sed' gurus
* Extended Commands[別]::               Commands specific of GNU `sed'
* Escapes[別]::                         Specifying special characters

Examples:
* Centering lines[別]:
* Increment a number[別]:
* Rename files to lower case[別]:
* Print bash environment[別]:
* Reverse chars of lines[別]:
* tac[別]::                             Reverse lines of files
* cat -n[別]::                          Numbering lines
* cat -b[別]::                          Numbering non-blank lines
* wc -c[別]::                           Counting chars
* wc -w[別]::                           Counting words
* wc -l[別]::                           Counting lines
* head[別]::                            Printing the first lines
* tail[別]::                            Printing the last lines
* uniq[別]::                            Make duplicate lines unique
* uniq -d[別]::                         Print duplicated lines of input
* uniq -u[別]::                         Remove all duplicated lines
* cat -s[別]::                          Squeezing blank lines