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Top Forums Shell Programming and Scripting awk search an output string between two strings Post 302582682 by sdf on Saturday 17th of December 2011 02:30:08 AM
Old 12-17-2011
Quote:
Originally Posted by yinyuemi
Code:
awk 'NR==FNR{a[$0]=$0;next}{for(i=1;i<=NF;i++){t=m FS $i;m=$i;s(m,a);s(t,a)}}function s(x,b){if(x in b){print FILENAME,x,"=",$(i+1),$(i+2);i=i+2}}' searchstringfile.txt input*.txt
input1.txt J./F. = 12 var
input1.txt Gls. Wal = 16 interp.
input1.txt Tower = 12
input2.txt F. = 16 pt.
input2.txt J./F. = 22

The code produces always the first two instances after the searchstring and it shall not return the second instance of a searchstring.
Simply it shall only return the strings between two searchstrings.

Strings in which to be searched:
HTML Code:
input1.txt: What is needed is J./F. 12 var II Gls. Wal 16 Tower 11 interp. 
input2.txt: Awk shall search for F. 16 J./F. 22 pt.
Ouput:

HTML Code:
input1.txt J./F. = 12 var II 
input1.txt Gls. Wal = 16 
input1.txt Tower = 11 interp. 
input2.txt F. = 16 
input2.txt J./F. = 22 pt.
 

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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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