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Top Forums Shell Programming and Scripting How to use SED or AWK to search and replace an exact string Post 302534849 by gubbu on Wednesday 29th of June 2011 02:27:07 AM
Old 06-29-2011
How to use SED or AWK to search and replace an exact string

I have a file
HTML Code:
DS1
DDS
DS
I want to replace only "DS" to "DSmail.blah.com" in a lot of files. I tried

sed 's/DS/DSmail.blah.com' but it changes all the lines .

thanks in advance
 

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HTMLCLEAN(1)						User Contributed Perl Documentation					      HTMLCLEAN(1)

NAME
htmlclean - a small script to clean up existing HTML SYNOPSIS
htmlclean [-v] [-V] file1 [file2 file3 ...] DESCRIPTION
This program provides a command-line interface to the HTML::Clean module, which can help you to provide more compatible, smaller HTML files at the expense of reducing the human readability of the HTML code. In some cases you may be able to reduce the size of your HTML by up to 50%! The HTML::Clean library provides a number of features that improve your HTML for browsing and serving: htmlclean passes each file given on the command line to the library and writes out the new HTML according to the specified options. The default is to create a backup file and replace the file with cleaned HTML. Removing whitespace, Comments and other useless or redundant constructs Insuring that font tags work across multiple operating systems For full details see the documentations for HTML::Clean itself. OPTIONS
"-V" Print the version of the program. "-v" Verbose mode. Print out the original and final file sizes, plus the compression percent. For example: 5261 4065 22% /tmp/development-es.html 5258 4061 22% /tmp/development-fr.html 4651 3683 20% /tmp/development.html SEE ALSO
For the library, see HTML::Clean AUTHOR
"htmlclean" is written by Paul Lindner, <paul.lindner@itu.int> COPYRIGHT
Copyright (c> 1998 by ITU under the same terms as Perl. perl v5.12.1 1999-01-17 HTMLCLEAN(1)
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