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Topic: Sed


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In the News (Thu 22 Aug 19)

  
  O'Reilly Media -- Bookstore: sed & awk, Second Edition
sed is a "stream editor" for editing streams of text that might be too large to edit as a single file, or that might be generated on the fly as part of a larger data processing step.
The sed-part begin nicely with a general intro to sed and regexps, and explain the difference between sed and ed.
Sed and awk are classic examples of tools that, on one level, provide a simple means for accomplishing basic tasks, while on a deeper level have complex, powerful, and versatile feature sets.
www.oreilly.com /catalog/sed2   (1693 words)

  
 Socialist Unity Party of Germany - Wikipedia, the free encyclopedia
The SED was created in 1946 from a Soviet-influenced merger between the Social Democratic Party of Germany (SPD) members and the Communist Party of Germany (KPD) members who lived in the Soviet-occupied zone of Germany and the Soviet-occupied sector of Berlin.
Soviet negotiators reported that SED politicians frequently pushed past the boundaries of the political statements which had been approved by the Soviet monitors, and there was some initial difficulty making provincial SED parties realize that they should think carefuly before opposing the political positions decided upon by the Central Committee in Berlin.
Initially the SED had a branch in West Berlin, but in 1962 the West Berlin branch was separated from the SED proper and became a "separate" party called the Socialist Unity Party of West Berlin (Sozialistische Einheitspartei Westberlins - SEW).
en.wikipedia.org /wiki/Socialist_Unity_Party_of_Germany   (791 words)

  
 Canon Technology | SED Next-Generation Flat-Screen Display
Like CRT systems, SEDs are self-emitting displays, based on a principle that utilizes the collision of electrons with a phosphor-coated screen.
The electron emitters, at the heart of the SED, are characterized by a "nanogap," an extremely narrow gap measuring only a few nanometers in width, formed between two electrodes on the electron-emitting layer.
Canon began SED research in 1986 and, in 2005, Canon ANELVA Corporation, boasting expertise in vacuum technology, was welcomed into the Canon Group.
www.canon.com /technology/canon_tech/explanation/sed.html   (373 words)

  
 sed   (Site not responding. Last check: 2007-10-27)
The sed regular expressions are essentially the same as the grep regular expressions.
I recommend editing sed scripts with an editor such as vim which can show end of line characters so that you can "see" trailing white space at the end of line.
Sed permits several delimiters for the s command including @%,;: these alternative delimiters are good for substitutions which include strings such as filenames, as it makes your sed code much more readable.
pegasus.rutgers.edu /~elflord/unix/sed.html   (1809 words)

  
 Unix for Advanced Users - Advanced Commands and Usage - sed
In this sense, sed works like a filter, able to delete, insert and change characters, words, and lines of text.
Sed is very powerful and able to make many changes to many files in only a matter of minutes.
The "-e" flag to sed makes it realize that the next option is a part of the script, instead of a filename.
www.uwsg.iu.edu /UAU/advcomm/SED.html   (1216 words)

  
 Handy one-liners for SED
They are not written to teach sed use or regexps to first-time users, but as a reference text for those already acquainted with these tools.
USE OF '\t' IN SED SCRIPTS: For clarity in documentation, we have used the expression '\t' to indicate a tab character (0x09) in the scripts.
Indicate the version of sed you used, the operating system it was compiled for, and the nature of the problem.
www-h.eng.cam.ac.uk /help/tpl/unix/sed.html   (834 words)

  
 Using the sed Editor in Linux   (Site not responding. Last check: 2007-10-27)
sed accepts a series of commands and executes them on a file (or set of files) noninteractively and unquestionably.
The sed tool allows you to create a script file containing commands that are processed from the file, rather than at the command line, and is referenced via the "-f" option.
The default is for sed to display on the screen (or to a file, if so redirected) every line from the original file, whether it is affected by an edit operation or not; the "-n" parameter overrides this action.
www.oracle.com /technology/pub/articles/dulaney_sed.html   (4011 words)

  
 Common threads: Sed by example, Part 1
Sed is an ideal tool for batch-editing files or for creating shell scripts to modify existing files in powerful ways.
GNU sed is popular not only because its sources are freely distributable, but because it happens to have a lot of handy, time-saving extensions to the POSIX sed standard.
Sed opened the /etc/services file, read a line into its pattern buffer, performed our editing command ("delete line"), and then printed the pattern buffer (which was empty).
www-106.ibm.com /developerworks/linux/library/l-sed1.html   (2359 words)

  
 sed
While in some ways similar to an editor which permits scripted edits, 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 particularly distinguishes it from other types of editors.
sed supports regular expressions (like awk), and can select whole lines or patterns of text.
www.ss64.com /bash/sed.html   (670 words)

  
 sed, the stream editor
Sed is a non-interactive editor that works from a command line; it's not a GUI Windows app.
Sed is extremely powerful, and you can do things in sed that you can't do in any standard word processor.
And because sed is external to the word processor and comes with every Unix system in the world, once you learn sed you'll have a very handy tool in your toolkit, even if (like me) you rarely use Unix.
www.cornerstonemag.com /sed   (1098 words)

  
 sed FAQ, version 014   (Site not responding. Last check: 2007-10-27)
Sed is a non-interactive editor, written by the late Lee E. McMahon in 1973 or 1974.
Sed reads its input from stdin (Unix shorthand for "standard input," i.e., the console) or from files (or both), and sends the results to stdout ("standard output," normally the console or screen).
Sed (or awk or perl) should be used to validate the integrity of the data file before you attempt to alter it or extract particular fields from the file.
www.faqs.org /faqs/editor-faq/sed   (13989 words)

  
 Hartigan/Computer   (Site not responding. Last check: 2007-10-27)
Its functionality follows its name: sed operates on an input file line by line, and edits each line according to the instructions you give it.
sed is a great way to edit lots of files simultaneously.
A similar unix command that may or may not be better suited to your applications is awk.
sparky.rice.edu /~hartigan/sed.html   (392 words)

  
 [No title]
Sed is designed to be especially useful in three cases: 1) To edit files too large for comfortable interactive editing; 2) To edit any size file when the sequence of editing commands is too complicated to be comfortably typed in interactive mode.
Sed running from a command file is much more efficient than any interactive editor known to the author, even if that editor can be driven by a pre-written script.
Sed is a lineal descendant of the UNIX editor, ed.
www.urc.bl.ac.yu /manuals/progunix/sed.txt   (3672 words)

  
 Common threads: Sed by example, Part 1
Sed is an ideal tool for batch-editing files or for creating shell scripts to modify existing files in powerful ways.
GNU sed is popular not only because its sources are freely distributable, but because it happens to have a lot of handy, time-saving extensions to the POSIX sed standard.
Sed opened the /etc/services file, read a line into its pattern buffer, performed our editing command ("delete line"), and then printed the pattern buffer (which was empty).
www.ibm.com /developerworks/linux/library/l-sed1.html   (2368 words)

  
 What is SED TV? - a definition from Whatis.com - see also: SED, surface-conduction electron-emitter display
SED TV SED (surface-conduction electron-emitter display) is a flat-panel, high-resolution display developed by Canon and Toshiba that will compete with LCD and plasma displays.
SED is said to provide the picture quality of cathode-ray tube (CRT), in a flat-panel format, at about 50 percent of the power consumption of CRT displays and 33 percent of the power of plasma displays of a comparable size.
The SED consists of an array of electron emitters and a layer of phosphor, separated by a small space from which all the air has been evacuated.
whatis.techtarget.com /definition/0,,sid9_gci797765,00.html   (325 words)

  
 sed_tutorial   (Site not responding. Last check: 2007-10-27)
Sed reads one line at a time, chops off the terminating newline, puts what is left into the pattern space (buffer) where the sed script can process it (often using regular expressions), then if there anything to print - sed appends a newline and prints out the result (usually to stdout).
note, that since sed programs often contain regular expressions, they will often contain characters that your shell interprets, so you should get used to put all sed programs in single quotes so your shell won't interpret the sed program.
For example, we can't use sed -e '$-10,$d', since sed doesn't know $ before the end of file, so it doesn't know where $-10 is. This is a major problem, and it limits sed(1)'s usefulness, but sed(1) still has a large number of appliances.
www.selectorweb.com /sed_tutorial.html   (1402 words)

  
 sed
The sed utility is a stream editor that reads one or more text files, makes editing changes according to a script of editing commands, and writes the results to standard output.
The sed utility supports the XBD specification, Utility Syntax Guidelines, except that the order of presentation of the -e and -f options is significant.
Also note that \n cannot be used to match a newline character at the end of an arbitrary input line; newline characters appear in the pattern space as a result of the N editing command.
www.opengroup.org /onlinepubs/007908799/xcu/sed.html   (2269 words)

  
 Softpanorama Unix Classic Tools Page / SED Editor page   (Site not responding. Last check: 2007-10-27)
Sed is a largely outdated, but still useful for processing very large files like logs and mailboxes in pipes.
Historically sed was based on regex paradigm that made Unix famous (and it was one of the tools that demonstrated the power of regular expressions).
GNU sed v3.02.80 also supports 0 in range addressing, which means that the range "0,/RE/" will match every line from the top of the file to the first line containing /RE/, inclusive, and if /RE/ occurs on the first line of the file, only line 1 will be matched.
www.softpanorama.org /Tools/sed.shtml   (4364 words)

  
 UNIX man pages : sed ()   (Site not responding. Last check: 2007-10-27)
This is just a brief synopsis of sed commands to serve as a reminder to those who already know sed; other documentation (such as the texinfo document) must be consulted for fuller descriptions.
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.
If the info and sed programs are properly installed at your site, the com- mand info sed should give you access to the complete manual.
unixhelp.ed.ac.uk /CGI/man-cgi?sed   (1054 words)

  
 Technorati Tag: sed   (Site not responding. Last check: 2007-10-27)
Sed and Awk Shop for "Sed and Awk" from over 600 merchants with one cart.
SED Form in Microsoft Excel Point and click your way to perfect customs documents every time in Microsoft Excel.
sed, i know we haven't seen eye to eye in the past, and i have called you an ugly little bitch, but today you saved the day, so thanks.
www.technorati.com /tag/sed   (481 words)

  
 Define surface-conduction electron-emitter display - a Whatis.com definition - see also: SED
The surface-conduction electron-emitter display (SED) is a flat-panel, high-resolution display currently under development by Canon and Toshiba.
Some SEDs have a diagonal measurement exceeding one meter (approximately 40 inches), yet they consume only about 50 percent of the power of cathode-ray tube (CRT) displays, and 33 percent of the power of plasma displays having a comparable diagonal measurement.
The SED consists of an array of electron emitters and a layer of phosphor, separated by a small space from which all the air has been evacuated.
searchwinit.techtarget.com /sDefinition/0,,sid1_gci797765,00.html   (265 words)

  
 Science Education Department
SED staff includes education researchers, scientists, teachers, media specialists (see the Science Media Group's site), and graduate students who collaborate to identify and address the needs of science teachers and students in elementary, secondary, and college science, with an emphasis on grades K-12.
SED research and materials are widely available through print and CD-ROM, on the Internet and television, by teleconferencing, and at workshops and teacher conferences.
Through its efforts, the SED aims to advance the public's understanding of astronomy and the physical sciences.
cfa-www.harvard.edu /cfa/sed   (159 words)

  
 Getting Started with Sed
This qref is written for a semi-knowledgable UNIX user who has just come up against a problem and has been advised to use sed to solve it.
sed reads from a file or from its standard input, and outputs to its standard output.
The "-e" flag to sed makes it realize that the next option is a part of the script, instead of a filename.
www.cs.hmc.edu /tech_docs/qref/sed.html   (1416 words)

  
 GNU sed - GNU Project - Free Software Foundation (FSF)
Sed (streams editor) isn't really a true text editor or text processor.
Instead, it is used to filter text, i.e., it takes text input and performs some operation (or set of operations) on it and outputs the modified text.
Sed is typically used for extracting part of a file using pattern matching or substituting multiple occurrences of a string within a file.
www.gnu.org /software/sed/sed.html   (138 words)

  
 Amazon.com: sed & awk (2nd Edition): Books: Dale Dougherty,Arnold Robbins   (Site not responding. Last check: 2007-10-27)
sed is a "stream editor" for editing streams of text that might be too large to edit as a single file, or that might be generated on the fly as part of a larger data processing step.
The raw power of sed and awk will humble even the proudest VB programmer and this book will help you get the most out of both the "Aho, Weinberg and Kernigan" and the "stream editor".
Both sed and awk are an essential part of any UNIX operating system, and both echo with the prestige of the master programmers that designed them.
www.amazon.com /exec/obidos/tg/detail/-/1565922255?v=glance   (1613 words)

  
 Seders's grab bag - Tutorials
If you have written anything about sed - whether an introduction, how sed got you out of a real-life situation, or perhaps an advanced technique you've discovered - you may like have your work published here.
It examines each of sed's functions in depth and includes useful examples.
Part 1 of Greg Ubben's analysis of a complex sed script he wrote to sort, delimit and number an input file containing tabulated data.
sed.sourceforge.net /grabbag/tutorials   (274 words)

  
 sed.sf.net - The SED $HOME
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 similar 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 particularly distinguishes \ it from other types of editors.
sed.sourceforge.net   (238 words)

  
 sed, a stream editor
A regular expression is a pattern that is matched against a subject string from left to right.
This is particularly useful when you want a group of commands to be triggered by a single address (or address-range) match.
This only happens if you are on the GNU system, using GNU libc's regular expression matcher instead of compiling the one supplied with GNU sed.
www.gnu.org /software/sed/manual/sed.html   (7619 words)

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