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Full Discussion: Extract lines that match a pattern
Top Forums Shell Programming and Scripting Extract lines that match a pattern Post 302859839 by Kashyap on Friday 4th of October 2013 03:39:49 AM
Old 10-04-2013
Extract lines that match a pattern
Hi all,

I got a file that contains the following content, Actually it is a part of the file content,

Code:
Installing XYZ XYZA Image, API 18, revision 2
  Unzipping XYZ XYZA Image, API 18, revision 2 (1%)
  Unzipping XYZ XYZA Image, API 18, revision 2 (96%)
  Unzipping XYZ XYZA Image, API 18, revision 2 (99%)
    Installed XYZ XYZA Image, API 18, revision 2

This part of the file repeats through out the file some "n" times.
The problem in front of me is i need to extract the bold line that repeats n times in the file and put them into another file.

I tried this piece of code but in vain.

Code:
grep -o "Installed*" filename > destfile

This actually matches the pattern and puts the lines after the required line.

Please let me know where i am wrong.

Thanks.
 

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LEARN ABOUT DEBIAN

image::exiftool::buildtaglookup

Image::ExifTool::BuildTagLookup(3pm)			User Contributed Perl Documentation		      Image::ExifTool::BuildTagLookup(3pm)

NAME

       Image::ExifTool::BuildTagLookup - Build ExifTool tag lookup tables

DESCRIPTION

       This module is used to generate the tag lookup tables in Image::ExifTool::TagLookup.pm and tag name documentation in
       Image::ExifTool::TagNames.pod, as well as HTML tag name documentation.  It is used before each new ExifTool release to update the lookup
       tables and documentation, but it is not used otherwise.

SYNOPSIS

	 use Image::ExifTool::BuildTagLookup;

	 $builder = new Image::ExifTool::BuildTagLookup;

	 $ok = $builder->WriteTagLookup('lib/Image/ExifTool/TagLookup.pm');

	 $ok = $builder->WriteTagNames('lib/Image/ExifTool/TagNames.pod','html');

MEMBER VARIABLES

       PRESERVE_DATE
	   Flag to preserve "Last revised" date in HTML files.	Set before calling WriteTagNames().

       COUNT
	   Reference to hash containing counting statistics.  Keys are the descriptions, and values are the numerical counts.  Valid after
	   BuildTagLookup object is created, but additional statistics are added by WriteTagNames().

AUTHOR

       Copyright 2003-2011, Phil Harvey (phil at owl.phy.queensu.ca)

       This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

SEE ALSO

       Image::ExifTool(3pm), Image::ExifTool::TagLookup(3pm), Image::ExifTool::TagNames(3pm)

perl v5.12.4							    2011-05-26				      Image::ExifTool::BuildTagLookup(3pm)
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