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Top Forums Shell Programming and Scripting Manipulating xml data with awk Post 302772138 by elixir_sinari on Saturday 23rd of February 2013 12:11:57 PM
Old 02-23-2013
Try this (with assumptions about your data):
Code:
awk '/^[ \t]*<data>/{data=1;countrow=0;rec[countrow++]=$0;next}
/^[ \t]*<\/data>/{
 if(output) {
  print rec[0]
  n=split(rec[foundat],pattline)
  for(i=1;i<countrow;i++) {
   split(rec[i],otherline)
   c=0
   for(j=2;j<=n;j++) {
    if(j==2) {c=pattline[j]*otherline[j];continue}
    c-=(pattline[j]*otherline[j])
   }
   print rec[i],c
  }
  print
 } 
 else
  for(i in rec) delete rec[i]
 output=foundat=data=0;next
}
data{
 if(!output && $1=="6") { output=1; foundat=countrow }
 rec[countrow++]=$0
}' file

This User Gave Thanks to elixir_sinari 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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