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Full Discussion: match text from two files and write to a third file
Top Forums Shell Programming and Scripting match text from two files and write to a third file Post 302391625 by my_Perl on Tuesday 2nd of February 2010 04:05:08 AM
Old 02-02-2010
match text from two files and write to a third file
Hi all

I have two files X.txt and Y.txt. Both file contains same number of sentences. The content of X.txt is

Code:
The filter described above may be combined.

and the content of Y.txt is

Code:
The filter describ+ed above may be combin+ed.

Some of the words are separated with "+" symbol.
Some of the words are equal and some not.

The expected output is :

Code:
The|The|empty filter|filter|empty described|describ+ed above|above|empty may|may|empty be|be|empty combined|combin+ed.

For any matching word in the corresponding location of the corresponding sentences, the same word is copied and suffixed with the word "empty" with a "|" separation. But for unmatched word, print the words from X and Y separated by "|".

I want to write a Perl script. Any help is appreciated.
Thanks in advance.
Last edited by my_Perl; 02-02-2010 at 05:15 AM..
 

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LEARN ABOUT DEBIAN

bomstrip

BOMSTRIP(1)						    BSD General Commands Manual 					       BOMSTRIP(1)

NAME

     bomstrip, bomstrip-files -- strip the BOM sequence from UTF-8 files

SYNOPSIS

     bomstrip
     bomstrip-files file ...

DESCRIPTION

     The bomstrip utility reads UTF-8 data from its standard input and copies it to its standard output, stripping the BOM (byte-order mark) from
     the beginning of the text if it is present.  There are no command-line options and no parameters.

     The bomstrip-files utility removes the UTF-8 BOM from the specified files, saving each file's original contents with a .bom extension.  It
     uses the bomstrip utility, trying to execute it as ``bomstrip''; if the bomstrip utility is installed under another name, or if a more com-
     plex command is desired, it may be supplied in the BOMSTRIP environment variable.

EXAMPLES

     Strip the BOM, if present, from a text file:

	   bomstrip < bom.txt > nobom.txt

     Strip the BOM, if present, from all text files, backing them up with a .bom extension:

	   bomstrip-files *.txt

     Use the OCAML implementation of bomstrip:

	   env BOMSTRIP='ocaml bomstrip.ocaml' bomstrip-files *.txt

SEE ALSO

     The bomstrip home page: http://www.xs4all.nl/~mechiel/projects/bomstrip/

HISTORY

     The bomstrip utility (in many languages) was written by Mechiel Lukkien, with implementations in various languages sent to him by others,
     including Andreas Gohr, Andrew Gerrand, Berteun Damman, Matthijs Bomhoff, Peter Pentchev, and Ruben Smelik.  The bomstrip-files utility and
     this manual page were written by Peter Pentchev in the hope that they reflect the behavior of all the bomstrip implementations in all lan-
     guages.

AUTHORS

     Mechiel Lukkien <mechiel@xs4all.nl>
     Peter Pentchev <roam@ringlet.net>

BSD
								   June 14, 2008							       BSD
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