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Top Forums Shell Programming and Scripting Merge specific columns of two files Post 302915234 by Chubler_XL on Monday 1st of September 2014 07:24:32 PM
Old 09-01-2014
You could use awk like this:

Code:
awk -v cs="E229" -v ce="E399" '
FNR==1 {
  if (NR>1) {
    for(s=1;s<=NF&&$s!=ce;s++);
    e=NF
  }
  else for(s=e=1;e<=NF&&$e!=cs;e++);
}
{ for(i=s;i<=e;i++) D[FNR]=D[FNR]"\t"$i }
END{ for(i=1;i<=FNR;i++) print substr(D[i],2) }' file1 file2

This User Gave Thanks to Chubler_XL 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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