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Full Discussion: Compare 2 fields in 2 files
Top Forums UNIX for Dummies Questions & Answers Compare 2 fields in 2 files Post 302744033 by sabercats on Thursday 13th of December 2012 07:08:18 PM
Old 12-13-2012
Compare 2 fields in 2 files
I am trying to compare two files (separted by a pipe) using 2 fields (field 1,3 from fileA and 1,2 from fileB) if the two files match i want the whole record of fileA adding the extra fields left from fileB.
1. A.txt
Code:
cat|floffy|12|anything|anythings
cat|kitty|15|lala|lalala
dog|bob|2|field4|field5
dog|izzy|14|something|somethings

2. B.txt
Code:
cat|1|locations 0|san jose
cat|12|locations 2,3|san jose
cat|15|locations 0,1,2,3|tampa
dog|1|locations 0|nevada
dog|2|locations 1|nevada
dog|8|locations 3|connecticut
dog|14|locations 1,2,3|connecticut
dog|15|locations 0,1,2,3|connecticut

and get C.txt out put
Code:
cat|floffy|12|anything|anythings|locations 2,3|san jose
cat|kitty|15|ala|alala|locations 0,1,2,3|tampa
dog|bob|2|field4|field5|locations 1|nevada
dog|izzy|14|something|somethings|locations 1,2,3|connecticut


Thanks.

---------- Post updated at 07:08 PM ---------- Previous update was at 06:27 PM ----------

If i write this code
Code:
awk -F\| 'NR==FNR{a[$1,$3]++;next} (a[$1,$2])' A.txt B.txt > C.txt

I only can see the lines with the same 2 fields but cannot have the result like out put.
May be we have to use paste A and C to get D.txt ?
Last edited by sabercats; 12-13-2012 at 08:06 PM..
 

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LEARN ABOUT MINIX

debconf-mergetemplate

DEBCONF-MERGETEMPLATE(1)					      Debconf						  DEBCONF-MERGETEMPLATE(1)

NAME

       debconf-mergetemplate - merge together multiple debconf template files

SYNOPSIS

	debconf-mergetemplate [options] [templates.ll ...] templates

DESCRIPTION

       Note: This utility is deprecated. You should switch to using po-debconf's po2debconf program.

       This program is useful if you have multiple debconf templates files which you want to merge together into one big file. All the specified
       files will be read in, merged, and output to standard output.

       This can be especially useful if you are dealing with translated template files. In this case, you might have your main template file, plus
       several other files provided by the translators. These files will have translated fields in them, and maybe the translators left in the
       english versions of the fields they translated, for their reference.

       So, you want to merge together all the translated templates files with your main templates file. Any fields that are unique to the
       translated files need to be added in to the correct templates, but any fields they have in common should be superseded by the fields in the
       main file (which might be more up-to-date).

       This program handles that case properly, just list each of the translated templates files, and then your main templates file last.

OPTIONS

       --outdated
	   Merge in even outdated translations. The default is to drop them with a warning message.

       --drop-old-templates
	   If a translation has an entire template that is not in the master file (and thus is probably an old template), drop that entire
	   template.

SEE ALSO

       debconf-getlang(1)

AUTHOR

       Joey Hess <joeyh@debian.org>

								    2012-09-10						  DEBCONF-MERGETEMPLATE(1)
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