From f5c4671bfbad96bf346bd7e9a21fc4317b4959df Mon Sep 17 00:00:00 2001
From: Indrajith K L
Date: Sat, 3 Dec 2022 17:00:20 +0530
Subject: Adds most of the tools
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coreutils-5.3.0-bin/man/cat1/sed.1.txt | 321 +++++++++++++++++++++++++++++++++
1 file changed, 321 insertions(+)
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+SED(1) User Commands SED(1)
+
+
+
+NAME
+ sed - stream editor for filtering and transforming text
+
+SYNOPSIS
+ sed.exe [OPTION]... {script-only-if-no-other-script}
+ [input-file]...
+
+DESCRIPTION
+ Sed is a stream editor. A stream editor is used to per-
+ form basic text transformations on an input stream (a
+ file or input from a pipeline). While in some ways sim-
+ ilar to an editor which permits scripted edits (such as
+ ed), sed works by making only one pass over the
+ input(s), and is consequently more efficient. But it is
+ sed's ability to filter text in a pipeline which partic-
+ ularly distinguishes it from other types of editors.
+
+ -n, --quiet, --silent
+
+ suppress automatic printing of pattern space
+
+ -e script, --expression=script
+
+ add the script to the commands to be executed
+
+ -f script-file, --file=script-file
+
+ add the contents of script-file to the commands
+ to be executed
+
+ -i[SUFFIX], --in-place[=SUFFIX]
+
+ edit files in place (makes backup if extension
+ supplied)
+
+ -b, --binary
+
+ open files in binary mode (CR+LFs are not pro-
+ cessed specially)
+
+ -c, --copy
+
+ use copy instead of rename when shuffling files
+ in -i mode (avoids change of input file owner-
+ ship)
+
+ -l N, --line-length=N
+
+ specify the desired line-wrap length for the `l'
+ command
+
+ --posix
+
+ disable all GNU extensions.
+
+ -r, --regexp-extended
+
+ use extended regular expressions in the script.
+
+ -s, --separate
+
+ consider files as separate rather than as a sin-
+ gle continuous long stream.
+
+ -u, --unbuffered
+
+ load minimal amounts of data from the input files
+ and flush the output buffers more often
+
+ --help
+ display this help and exit
+
+ --version
+ output version information and exit
+
+ If no -e, --expression, -f, or --file option is given,
+ then the first non-option argument is taken as the sed
+ script to interpret. All remaining arguments are names
+ of input files; if no input files are specified, then
+ the standard input is read.
+
+ GNU sed home page: .
+ General help using GNU software:
+ . E-mail bug reports to:
+ . Be sure to include the word
+ ``sed'' somewhere in the ``Subject:'' field.
+
+COMMAND SYNOPSIS
+ This is just a brief synopsis of sed commands to serve
+ as a reminder to those who already know sed; other docu-
+ mentation (such as the texinfo document) must be con-
+ sulted for fuller descriptions.
+
+ Zero-address ``commands''
+ : label
+ Label for b and t commands.
+
+ #comment
+ The comment extends until the next newline (or
+ the end of a -e script fragment).
+
+ } The closing bracket of a { } block.
+
+ Zero- or One- address commands
+ = Print the current line number.
+
+ a \
+
+ text Append text, which has each embedded newline pre-
+ ceded by a backslash.
+
+ i \
+
+ text Insert text, which has each embedded newline pre-
+ ceded by a backslash.
+
+ q [exit-code]
+ Immediately quit the sed script without process-
+ ing any more input, except that if auto-print is
+ not disabled the current pattern space will be
+ printed. The exit code argument is a GNU exten-
+ sion.
+
+ Q [exit-code]
+ Immediately quit the sed script without process-
+ ing any more input. This is a GNU extension.
+
+ r filename
+ Append text read from filename.
+
+ R filename
+ Append a line read from filename. Each invoca-
+ tion of the command reads a line from the file.
+ This is a GNU extension.
+
+ Commands which accept address ranges
+ { Begin a block of commands (end with a }).
+
+ b label
+ Branch to label; if label is omitted, branch to
+ end of script.
+
+ t label
+ If a s/// has done a successful substitution
+ since the last input line was read and since the
+ last t or T command, then branch to label; if
+ label is omitted, branch to end of script.
+
+ T label
+ If no s/// has done a successful substitution
+ since the last input line was read and since the
+ last t or T command, then branch to label; if
+ label is omitted, branch to end of script. This
+ is a GNU extension.
+
+ c \
+
+ text Replace the selected lines with text, which has
+ each embedded newline preceded by a backslash.
+
+ d Delete pattern space. Start next cycle.
+
+ D Delete up to the first embedded newline in the
+ pattern space. Start next cycle, but skip read-
+ ing from the input if there is still data in the
+ pattern space.
+
+ h H Copy/append pattern space to hold space.
+
+ g G Copy/append hold space to pattern space.
+
+ x Exchange the contents of the hold and pattern
+ spaces.
+
+ l List out the current line in a ``visually unam-
+ biguous'' form.
+
+ l width
+ List out the current line in a ``visually unam-
+ biguous'' form, breaking it at width characters.
+ This is a GNU extension.
+
+ n N Read/append the next line of input into the pat-
+ tern space.
+
+ p Print the current pattern space.
+
+ P Print up to the first embedded newline of the
+ current pattern space.
+
+ s/regexp/replacement/
+ Attempt to match regexp against the pattern
+ space. If successful, replace that portion
+ matched with replacement. The replacement may
+ contain the special character & to refer to that
+ portion of the pattern space which matched, and
+ the special escapes \1 through \9 to refer to the
+ corresponding matching sub-expressions in the
+ regexp.
+
+ w filename
+ Write the current pattern space to filename.
+
+ W filename
+ Write the first line of the current pattern space
+ to filename. This is a GNU extension.
+
+ y/source/dest/
+ Transliterate the characters in the pattern space
+ which appear in source to the corresponding char-
+ acter in dest.
+
+Addresses
+ Sed commands can be given with no addresses, in which
+ case the command will be executed for all input lines;
+ with one address, in which case the command will only be
+ executed for input lines which match that address; or
+ with two addresses, in which case the command will be
+ executed for all input lines which match the inclusive
+ range of lines starting from the first address and con-
+ tinuing to the second address. Three things to note
+ about address ranges: the syntax is addr1,addr2 (i.e.,
+ the addresses are separated by a comma); the line which
+ addr1 matched will always be accepted, even if addr2
+ selects an earlier line; and if addr2 is a regexp, it
+ will not be tested against the line that addr1 matched.
+
+ After the address (or address-range), and before the
+ command, a ! may be inserted, which specifies that the
+ command shall only be executed if the address (or
+ address-range) does not match.
+
+ The following address types are supported:
+
+ number Match only the specified line number.
+
+ first~step
+ Match every step'th line starting with line
+ first. For example, ``sed -n 1~2p'' will print
+ all the odd-numbered lines in the input stream,
+ and the address 2~5 will match every fifth line,
+ starting with the second. first can be zero; in
+ this case, sed operates as if it were equal to
+ step. (This is an extension.)
+
+ $ Match the last line.
+
+ /regexp/
+ Match lines matching the regular expression reg-
+ exp.
+
+ \cregexpc
+ Match lines matching the regular expression reg-
+ exp. The c may be any character.
+
+ GNU sed also supports some special 2-address forms:
+
+ 0,addr2
+ Start out in "matched first address" state, until
+ addr2 is found. This is similar to 1,addr2,
+ except that if addr2 matches the very first line
+ of input the 0,addr2 form will be at the end of
+ its range, whereas the 1,addr2 form will still be
+ at the beginning of its range. This works only
+ when addr2 is a regular expression.
+
+ addr1,+N
+ Will match addr1 and the N lines following addr1.
+
+ addr1,~N
+ Will match addr1 and the lines following addr1
+ until the next line whose input line number is a
+ multiple of N.
+
+REGULAR EXPRESSIONS
+ POSIX.2 BREs should be supported, but they aren't com-
+ pletely because of performance problems. The \n
+ sequence in a regular expression matches the newline
+ character, and similarly for \a, \t, and other
+ sequences.
+
+BUGS
+ E-mail bug reports to bonzini@gnu.org. Be sure to
+ include the word ``sed'' somewhere in the ``Subject:''
+ field. Also, please include the output of ``sed --ver-
+ sion'' in the body of your report if at all possible.
+
+COPYRIGHT
+ Copyright © 2009 Free Software Foundation, Inc.
+ This is free software; see the source for copying condi-
+ tions. There is NO warranty; not even for MERCHANTABIL-
+ ITY or FITNESS FOR A PARTICULAR PURPOSE, to the extent
+ permitted by law.
+
+ GNU sed home page: .
+ General help using GNU software:
+ . E-mail bug reports to:
+ . Be sure to include the word
+ ``sed'' somewhere in the ``Subject:'' field.
+
+SEE ALSO
+ awk(1), ed(1), grep(1), tr(1), perlre(1), sed.info, any
+ of various books on sed, the sed FAQ
+ (http://sed.sf.net/grabbag/tutorials/sedfaq.txt),
+ http://sed.sf.net/grabbag/.
+
+ The full documentation for sed is maintained as a Tex-
+ info manual. If the info and sed programs are properly
+ installed at your site, the command
+
+ info sed
+
+ should give you access to the complete manual.
+
+
+
+sed version 4.2.1 June 2009 SED(1)
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