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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
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.
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.
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Last edited by vbe; 01-25-2012 at 12:45 PM..
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LEARN ABOUT DEBIAN
smistrip
smistrip(1) SMI Tools smistrip(1) NAME
smistrip - extract MIB or PIB modules from text files, like RFCs or I-Ds SYNOPSIS
smistrip [ -Vhn ] [ -d dir ] [ -m module ] [ file(s) ] DESCRIPTION
The smistrip program is used to extract MIB and PIB module files from ASCII documents like RFCs or Internet Drafts. Modules are identified by a starting ASN.1 DEFINITIONS clause and the matching END clause. The output is written to files named by the modules' names. OPTIONS
-V Show the smistrip version and exit. -h Show a help text and exit. -n Print only what would be extracted, but do not write any output file. -d dir Write module file(s) to directory dir instead of the current working directory. -m module Extract only the module module instead of all modules found in the input file(s). file(s) The input text file(s) from which modules will be extracted. If no file is given, input is read from stdin. Note that smistrip tries to be smart about locating module start and end, detecting page breaks and blank lines near page breaks. It also tries to cut off blank prefixing columns from all lines of a modules. However, there might by documents that cannot be parsed correctly by smistrip and probably produce incorrect output. You might consider to use smilint on every extracted module file to check its syntactical correctness. EXAMPLE
This example extracts only the module IPV6-MIB from the file rfc2465 and writes it to the directory /usr/local/tmp. $ smistrip -d /usr/local/tmp -m IPV6-MIB rfc2465 SEE ALSO
The libsmi(3) project is documented at http://www.ibr.cs.tu-bs.de/projects/libsmi/. smilint(1) AUTHOR
(C) 1999-2004 F. Strauss, TU Braunschweig, Germany <strauss@ibr.cs.tu-bs.de> (C) 2002 M. Bunkus, TU Braunschweig, Germany <bunkus@ibr.cs.tu-bs.de> and contributions by many other people. IBR
August 10, 2004 smistrip(1)