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Full Discussion: Comparing 2 CSV files and sending the difference to a new csv file
Top Forums Shell Programming and Scripting Comparing 2 CSV files and sending the difference to a new csv file Post 302779989 by Naresh101 on Wednesday 13th of March 2013 03:45:25 PM
Old 03-13-2013
Comparing 2 CSV files and sending the difference to a new csv file
(say) I have 2 csv files - file1.csv & file2.csv as mentioned below:

file1.csv
Code:
ID,version,cost                        
1000,1,30     
2000,2,40     
3000,3,50     
4000,4,60


file2.csv
Code:
ID,version,cost     
1000,1,30       
2000,2,45     
3000,4,55   
6000,5,70

The expected o/p is a new csv file say - file3.csv should contain the details of IDs which are present in both the files but with some of the data related to it being different (here version and cost) - and the o/p should be as shown below.

o/p needed (o/p format)
Code:
ID,field,old,new  
2000,cost,40,45     
3000,version,3,4    
3000,cost,50,55

I need a unix bash/ksh script for doing this. Please help me out.
Last edited by Franklin52; 03-14-2013 at 04:20 AM.. Reason: Please use code tags for data and code samples
 

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csv2po

csv2po(1)						      Translate Toolkit 1.9.0							 csv2po(1)

NAME

       csv2po - convert Comma-Separated Value (.csv) files to Gettext PO localization files

SYNOPSIS

       csv2po  [--version]  [-h|--help]  [--manpage]  [--progress  PROGRESS]  [--errorlevel  ERRORLEVEL] [-i|--input] INPUT [-x|--exclude EXCLUDE]
       [-o|--output] OUTPUT [-t|--template TEMPLATE] [--charset CHARSET] [--columnorder] [--duplicates DUPLICATESTYLE]

DESCRIPTION

       See: http://translate.sourceforge.net/wiki/toolkit/csv2po for examples and usage instructions

OPTIONS

       --version
	      show program's version number and exit

       -h/--help
	      show this help message and exit

       --manpage
	      output a manpage based on the help

       --progress
	      show progress as: dots, none, bar, names, verbose

       --errorlevel
	      show errorlevel as: none, message, exception, traceback

       -i/--input
	      read from INPUT in csv format

       -x/--exclude
	      exclude names matching EXCLUDE from input paths

       -o/--output
	      write to OUTPUT in po, pot formats

       -t/--template
	      read from TEMPLATE in pot, po, pot formats

       --charset
	      set charset to decode from csv files

       --columnorder
	      specify the order and position of columns (location,source,target)

       --duplicates
	      what to do with duplicate strings (identical source text): merge, msgctxt (default: 'msgctxt')

							      Translate Toolkit 1.9.0							 csv2po(1)
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