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Top Forums Shell Programming and Scripting Combining many lines to one using awk or any unix cmd Post 302313849 by siquadri on Wednesday 6th of May 2009 04:13:31 PM
Old 05-06-2009
Quote:
Originally Posted by zenith
I tried till here but doesnt work:
Code:
nawk -F, '{k= ($1 SUBSEP $2 SUBSEP $3) u[k]++ d[k] = d[k] ? d[k] RS $0: $0} END { for (K in u) if (u[K] > 1) print d[K] } ' infile


The below input file i modified.



Output file:




The key is first 2 columns of file.
If the first 2 columns matches then the remaining columns are combined to on column for different records

This is complex to implement.
Help is highly appreciated

I think this cannot be implemented in unix
 

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COLUMN(1)						    BSD General Commands Manual 						 COLUMN(1)

NAME
column -- columnate lists SYNOPSIS
column [-tx] [-c columns] [-s sep] [file ...] DESCRIPTION
The column utility formats its input into multiple columns. Rows are filled before columns. Input is taken from file operands, or, by default, from the standard input. Empty lines are ignored. The options are as follows: -c Output is formatted for a display columns wide. -s Specify a set of characters to be used to delimit columns for the -t option. -t Determine the number of columns the input contains and create a table. Columns are delimited with whitespace, by default, or with the characters supplied using the -s option. Useful for pretty-printing displays. -x Fill columns before filling rows. ENVIRONMENT
The COLUMNS, LANG, LC_ALL and LC_CTYPE environment variables affect the execution of column as described in environ(7). EXIT STATUS
The column utility exits 0 on success, and >0 if an error occurs. EXAMPLES
(printf "PERM LINKS OWNER GROUP SIZE MONTH DAY " ; printf "HH:MM/YEAR NAME " ; ls -l | sed 1d) | column -t SEE ALSO
colrm(1), ls(1), paste(1), sort(1) HISTORY
The column command appeared in 4.3BSD-Reno. BUGS
Input lines are limited to LINE_MAX (2048) bytes in length. BSD
July 29, 2004 BSD
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