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Full Discussion: Comparing two files and writing mismatched rows along with mismatched columns. Pointing out the mism
Top Forums UNIX for Advanced & Expert Users Comparing two files and writing mismatched rows along with mismatched columns. Pointing out the mism Post 302997149 by drl on Monday 8th of May 2017 02:05:55 PM
Old 05-08-2017
Hi.

I overlooked a useful option, so this could eliminate the intermediate step:
Code:
$ dwdiff -d '|' data1 data2
1|piyush|bangalore|[-dev-]{+QA+} 
1|piyush|bangalore|QA 
2|pankaj|bangalore|dev 
3|rohit|[-delhi-]{+bangalore+}|[-QA-]{+dev+}

Best wishes ... cheers, drl
This User Gave Thanks to drl For This Post:
piyush pankaj
 

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LEARN ABOUT DEBIAN

dwfilter

dwfilter(1)						   reformat text for processing 					       dwfilter(1)

NAME

       dwfilter - reformat text with dwdiff for further processing

SYNOPSIS

       dwfilter [OPTIONS] <OLD FILE> <NEW FILE> <POST PROCESSOR> [POST PROCESSOR OPTIONS]

DESCRIPTION

       dwfilter  reformats  the  text in the old file according to the contents of the new file (or vice versa) and subsequently passes the refor-
       mated old file and the new file through a secondary filter. It's main use is to allow visual diff programs such as meld and  kdiff3  to	be
       used,  eventhough  a text file has been reformated after editing. A further use is to allow the creation of small patches even when the new
       text has been reformated. dwfilter uses dwdiff for reformatting.

OPTIONS

       -r, --reverse
	      Reformat the new file based on the contents of the old file instead of the default where the old file is	reformated  based  on  the
	      contents of the new file.

       dwfilter accepts the following dwdiff options:

       -d <delimiters>, --delimiters=<delimiters>
       -P, --punctuation>
       -W <whitespace>, --whitespace=<whitespace>
       -i, --ignore-case
       -I, --ignore-formatting
       -D <option>, --diff-option=<option>
       -C<num>, --context=<num>
       -m<num>, --match-context=<num>
       --aggregate-changes
       --wdiff-output

       See the dwdiff manual page for the meaning.

       A  single  dash	(-)  as  a file can be used to denote standard input. Only one file can be read from standard input. To stop dwfilter from
       interpreting file names that start with a dash as options, one can specify a double dash (--) after which dwfilter will interpret any  fol-
       lowing arguments as files to read.

BUGS

       If  you	think  you have found a bug, please check that you are using the latest version of dwdiff [http://os.ghalkes.nl/dwdiff.html]. When
       reporting bugs, please include a minimal example that demonstrates the problem.

AUTHOR

       G.P. Halkes <dwdiff@ghalkes.nl>

COPYRIGHT

       Copyright (C) 2006-2010 G.P. Halkes
       dwdiff is licensed under the GNU General Public License version 3.
       For  more  details  on  the  license,  see  the	file  COPYING  in  the	documentation  directory.  On  Un*x  systems   this   is   usually
       /usr/share/doc/dwdiff-2.0.4.

SEE ALSO

       dwdiff(1), diff(1), meld(1), kdiff3(1)

Version 2.0.4							    12-06-2012							       dwfilter(1)
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