04-15-2014
Re:Merge records based on multiple columns
Hi,
I am not an expert shell scripting programmer ,but I have tried few options
1) For loop by reading each row and doing concatenated grep to find the matching column
2) I have also gone through the link (on this website itself )given below and tried to change given solution as per requirement
shell-programming-and-scripting
208027-merge-multiple-lines-same-file-common-key-using-awk.html
but ordering on the basis of 15th column is still an issue and also I am getting double quotes in concatenation of last field
I am ok with any solution being in KSH,BASH or AWK. Perl and any other language could be the last option but not preferable for now.
I am not sure about OS version too as I am out of my office and can't check
let me know if these informations are helpful
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LEARN ABOUT DEBIAN
column
COLUMN(1) BSD General Commands Manual COLUMN(1)
NAME
column -- columnate lists
SYNOPSIS
column [-entx] [-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 unless the -e option is used.
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.
-n By default, the column command will merge multiple adjacent delimiters into a single delimiter when using the -t option; this option
disables that behavior. This option is a Debian GNU/Linux extension.
-e Do not ignore empty lines.
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