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Full Discussion: Sorting based on Multiple columns
Top Forums Shell Programming and Scripting Sorting based on Multiple columns Post 45097 by jayakhanna on Monday 15th of December 2003 07:17:19 AM
Old 12-15-2003
Well I am not too sure what you exactly want the output to be but sort +1 -2 +3 -4 will sort the output based on 2nd field and if second field is same it will see the next specified field in this case it is 4th field.

I had given the examples below

# cat junk [This is a junk file which contains data]
5 3 2 9
3 4 1 7
5 2 3 1
6 1 3 6
1 2 4 5
3 1 2 3
5 2 2 3
# sort +1 -2 +3 -4 junk [sort based on the 2nd and 4th field]
3 1 2 3
6 1 3 6
5 2 3 1
5 2 2 3
1 2 4 5
5 3 2 9
3 4 1 7
# sort +1 -2 junk [sort based on the 2nd field]
3 1 2 3
6 1 3 6
1 2 4 5
5 2 2 3
5 2 3 1
5 3 2 9
3 4 1 7
# sort +1 +3 junk [See here it is same as sort +1 it checks for the 3rd field if the 2nd field is same, it does not go for the 4the field ]
3 1 2 3
6 1 3 6
5 2 2 3
5 2 3 1
1 2 4 5
5 3 2 9
3 4 1 7
# sort +1 junk
3 1 2 3
6 1 3 6
5 2 2 3
5 2 3 1
1 2 4 5
5 3 2 9
3 4 1 7
#

If this is not what you wanted, post your data and the expected output whatever you want, we will look into that

Cheers
JK
 

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LEARN ABOUT DEBIAN

xml2

XML2(1) 						      General Commands Manual							   XML2(1)

NAME

       xml2 - convert xml documents in a flat format

       2xml - convert flat format into xml

       html2 - convert html documents in a flat format

       2html - convert flat format into html

       csv2 - convert csv files in a flat format

       2csv - convert flat format into csv

SYNOPSIS

       <xml2|2xml|html2|2html|csv2|2csv> > outfile < infile

DESCRIPTION

       There are six tools. Except csv2 and and 2csv they don't take any command-line arguments.  They are all simple filters which can be used to
       read files from standard input in one format and output it to standard output in another format.

       The flat format used by the tools is specific to these tools.  It is a syntax for representing structured markup in a  way  that  makes	it
       easy  to process with line-oriented tools.  The same format is used for HTML and XML; in fact, you can think of html2 as converting HTML to
       XHTML and running xml2 on the result; likewise 2html and 2xml. (Of course, this isn't how the implementation works.)

SEE ALSO

       This program does normally not include any documentation in form of manpages.  However it has a real excellent documentation online with  a
       lot of example.	In fact this manpage was based on this documentation.

       Please find it on:

       http://dan.egnor.name/xml2/ref

       Examples can be found here:

       http://dan.egnor.name/xml2/examples

AUTHOR

       xml2 was written by Dan Egnor.

       This  manpage  was written by Patrick Schoenfeld <schoenfeld@in-medias-res.com> for the Debian project, but may be used by others under the
       same terms as xml2 is distributed.

BUGS

       Bugs can be reported through the Debian Bug tracking system.

								 7h february 2008							   XML2(1)
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