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Full Discussion: Merge two csv files using column name
Top Forums UNIX for Dummies Questions & Answers Merge two csv files using column name Post 302950476 by Don Cragun on Saturday 25th of July 2015 02:28:33 AM
Old 07-25-2015
What have you tried?

What operating system and shell are you using?

What tools do you want to use?

If File 1 contained the additional line:
Code:
MKIOU8712T,Swathi,80000

how would that be combined with the line:
Code:
MKIOU8712T,Swathi,TRY,87900

from File 2?

Is there some field that will always be present in every input file?

Is there some field or combination of fields that is to be used a way to match lines from two files? Or, all all lines from all input files to be considered independent from all other input files and the only change in the output from the input lines is to add empty fields to lines from input files that don't have one or more of the headings from the combined list of input files?

Are you always processing two input files to produce one output file, or can there be more than two input files?

What determines the order of the fields in the output file? If you're processing File 1 and File 2 in that order, why couldn't the output field order be:
Code:
PAN,NAME,Salary,Dept

instead of:
Code:
PAN,NAME,DEPT,Salary

and why did the heading you showed in File 3 change Dept (from File 2) to DEPT?

If one input file has the heading line: a,b,c,d and another input file has the heading line: D,C,A,B, are there supposed to be four fields in the output file or eight? (I.e., are heading labels case sensitive?)
 

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LEARN ABOUT DEBIAN

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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