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Top Forums Shell Programming and Scripting Converting Column values to comma delimted single Row Post 302279332 by nvuradi on Thursday 22nd of January 2009 12:30:21 PM
Old 01-22-2009
Converting Column values to comma delimted single Row

I have a requirement in which i have to read a file which has multiple columns seperated by a pipe "|" from this i have to read each column values seperately and create a comma seperated row for the column and write to another file.

eg:

Input file:
ColA ColB
1 2
2 x
3 y
4 c
5 q

from this i have to create two filles, each having data as

file_colA:
1,2,3,4,5

file_colB:
2,x,y,c,q


i have created shell script using a for loop, which may take long time when i implement it in prod.

can any one suggest an approach using awk or sed?


thanks
 

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STAG-FLATTEN(1p)					User Contributed Perl Documentation					  STAG-FLATTEN(1p)

NAME
stag-flatten - turns stag data into a flat table SYNOPSIS
stag-flatten -c name -c person/name dept MyFile.xml DESCRIPTION
reads in a file in a stag format, and 'flattens' it to a tab-delimited table format. given this data: (company (dept (name "special-operations") (person (name "james-bond")) (person (name "fred")))) the above command will return a two column table special-operations james-bond special-operations fred If there are multiple values for the columns within the node, then the cartesian product will be calculated USAGE
stag-flatten [-p PARSER] [-c COLS] [-c COLS] NODE <file> ARGUMENTS
-p|parser FORMAT FORMAT is one of xml, sxpr or itext xml assumed as default -c|column COL1,COL2,COL3,.. the name of the columns/elements to write out this can be specified either with multiple -c arguments, or with a comma-seperated (no spaces) list of column (terminal node) names after a single -c -n|nest if set, then the output will be a compress repeating values into the same row; each cell in the table will be enclosed by {}, and will contain a comma-delimited set of values SEE ALSO
Data::Stag perl v5.10.0 2008-12-23 STAG-FLATTEN(1p)
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