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sed, the stream editor
This is just a sample of the content found on this website. Please visit the website to read the entire page.
"sed . . . the stream editor
Originally written and designed for Unix, sed has been ported to MS-DOS,
Windows, OS/2, and other operating systems. Sed is a non-interactive editor
that works from a command line; it's not a GUI Windows app. Sed changes blocks
of text on the fly, without making you open up a screen, push a cursor around,
and press DELETE or INSERT or ENTER or
function keys.
"Hey," you might ask. "All word processors have a find-and-replace
feature."
Not like this. 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.
How it works: You feed sed a script of editing commands (like, "change
every line that begins with a colon to such-and-such") and sed sends your
revised text to the screen. To save the revisions on disk, use the redirection
arrow, > newfile.txt . Sample syntax: sed "one-or-two-sed-commands" input.file >newfile.txt
sed -f bigger_sed.script input.file >newfile.txt
This page is an attempt to collect my FAQ (Frequently Asked Questions)
files and my favorite sed utilities and introductions for novices. The text
files are for any sed user; the binaries are for DOS/Windows users.
March 2001
update: Precompiled binaries of ssed (super-sed) for Win32 are here . The
"official" version of my sed pages is at North Park
University . They are mirrored at Cornerstone , which is
often up-to-date. The pages at North Park are always the most
recent.
sed docs by Eric
Pement
the sed
FAQ (version 014, HTML format)
the sed
FAQ ("
....
read entire page
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