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Top Forums Shell Programming and Scripting Convert rows to columns based on key and count Post 302964433 by RudiC on Thursday 14th of January 2016 12:57:45 PM
Old 01-14-2016
Wouldn't it be nice to develop some personal skills?
Anyhow, try
Code:
awk '
NR == 1 {FS = OFS = ","
         print "key, id,pulse"
         next
        }
        {gsub(/ ,/,",")
         for (i=3; i<=NF; i+=2) print $1, $i, $(i+1)
        }
' file
key, id,pulse
12, 14, 56
12, 15, 65
13, 12, 32
13, 14, 23
13, 18, 54
22, 32, 42

As the commas in both sample input and output seem randomly seeded, I took the freedom to slightly align them...
This User Gave Thanks to RudiC For This Post:
 

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IGAWK(1)							 Utility Commands							  IGAWK(1)

NAME
igawk - gawk with include files SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ... igawk [ all gawk options ] [ -- ] program-text file ... DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1). AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like @include getopt.awk in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path. OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports. EXAMPLES
cat << EOF > test.awk @include getopt.awk BEGIN { while (getopt(ARGC, ARGV, "am:q") != -1) ... } EOF igawk -f test.awk SEE ALSO
gawk(1) Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995. AUTHOR
Arnold Robbins (arnold@skeeve.com). Free Software Foundation Nov 3 1999 IGAWK(1)
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