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Top Forums Shell Programming and Scripting Commenting lines in a file using SED Post 302399695 by meetu on Monday 1st of March 2010 09:35:06 AM
Old 03-01-2010
Commenting lines in a file using SED

Hi,

I need to comment the below lines in a file using sed.These are the few lines of the jsp file that need to be commented.

Code:
if(top.location != location){
      top.location.href = location.href;
}

Using the below command two lines can be commented:
Code:
if(top.location != location){
     top.location.href = location.href;

Code:
sed -i -e 's:if(top.location != location){://if(top.location != location){:' -i -e 
's:top.location.href = location.href;://top.location.href = location.href;:' header.jsp

but I am not sure how to comment the line having } as there are many other lines having }.

.Is there a way I can merge lines top.location.href = location.href; and } then comment them?

Last edited by meetu; 03-02-2010 at 03:07 AM.. Reason: Use code tags, please!
 

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fmt(1)							      General Commands Manual							    fmt(1)

NAME
fmt - format text SYNOPSIS
width] [file...] DESCRIPTION
The command is a simple text formatter that fills and joins lines to produce output lines of (up to) the number of characters specified in the width option. The default width is 72. concatenates the arguments. If none are given, formats text from the standard input. Blank lines are preserved in the output, as is the spacing between words. does not fill lines beginning with a period for compatibility with Nor does it fill lines starting with Indentation is preserved in the output and input lines with differing indentation are not joined (unless is used). can also be used as an in-line text filter for the command: reformats the text between the cursor location and the end of the paragraph. Options recognizes the following options: Crown margin mode. Preserve the indentation of the first two lines within a paragraph and align the left margin of each subsequent line with that of the second line. This is useful for tagged paragraphs. Split lines only. Do not join short lines to form longer ones. This prevents sample lines of code, and other such "formatted" text, from being unduly combined. Fill output lines to up to width columns. WARNINGS
The width option is acceptable for BSD compatibility, but it may go away in future releases. SEE ALSO
nroff(1), vi(1). fmt(1)
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