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Top Forums Shell Programming and Scripting copy range of lines in a file based on keywords from another file Post 302592984 by kaaliakahn on Wednesday 25th of January 2012 11:01:22 AM
Old 01-25-2012
copy range of lines in a file based on keywords from another file

Hi Guys,

I have the following problem. I have original file (org.txt) that looks like this

module v_1(.....)
//arbitrary number of text lines
endmodule

module v_2(....)
//arbitrary number of text lines
endmodule

module v_3(...)
//arbitrary number of text lines
endmodule

module v_4(...)
//arbitrary number of text lines
endmodule

module v_5(...)
//arbitrary number of text lines
endmodule


I have another file keywords.txt that has keywords for original file org.txt that looks like

v_2
v_3
v_5

What i want to do is to extract modules from org.txt based on keywords.txt and store it in a new file (filter.txt). In this case, i shall be extracting only modules v_2, v_3 and v_5 and storing them in the filter.txt as

module v_2(....)
//arbitrary number of text lines
endmodule

module v_3(...)
//arbitrary number of text lines
endmodule

module v_5(...)
//arbitrary number of text lines
endmodule

How to do that using sed and awk or any other cool way. Note that this was a toy example. The actual files are huge in terms of number of lines.

Moderator's Comments:
Mod Comment Please use next time code tags for your code and data

Last edited by vbe; 01-25-2012 at 12:45 PM..
 

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pdbtxt2html(1)						      General Commands Manual						    pdbtxt2html(1)

NAME
pdbtxt2html - Doc Text to HTML converter for Palm Pilots SYNOPSIS
pdbtxt2html [ -t ] file.txt [ file.html ] pdbtxt2html -v DESCRIPTION
pdbtxt2html converts text converted from a Doc(4) file via txt2pdbdoc(1) to HTML. If no HTML filename is given, the generated HTML is sent to standard output. Document Title The first line of the file is used for the HTML document title. Bookmarks The last line of the file is examined and, if it contains a string enclosed between < and >, that is taken to be the bookmark marker. The entire file is then scanned looking for lines beginning with it (ignoring leading whitespace). These lines are converted to HTML headings. The number of whitespace characters after the first bookmark marker is used for heading level 1. The level of subsequent headings is set to the number of whitespace characters between the bookmark marker and the bookmark text minus the number for the first bookmark plus one. Embedded URLs Valid URLs (according to RFC 1630) embedded in the text are turned into hyperlinks. The ftp, gopher, http, https, mailto, news, telnet, and wais URLs are recognized. OPTIONS
-t Compile a table of contents and insert it between the first heading and the body. -v Print the version number to standard output and exit. EXAMPLE
To convert a Doc file to HTML: txt2pdbdoc alice.pdb alice.txt pdbtxt2html alice.txt alice.html SEE ALSO
html2pdbtxt(1), txt2pdbdoc(1), doc(4), pdb(4) Tim Berners Lee. Universal Resource Identifiers in WWW, Network Working Group of the Internet Engineering Task Force, June 1994. http://info.internet.isi.edu/in-notes/rfc/files/rfc1630.txt AUTHOR
Paul J. Lucas <pauljlucas@mac.com> txt2pdbdoc January 21, 2005 pdbtxt2html(1)
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