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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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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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