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Top Forums Shell Programming and Scripting get part of file with unique & non-unique string Post 302354224 by andrewsc on Thursday 17th of September 2009 01:37:44 PM
Old 09-17-2009
Originally Posted by durden_tyler
Yes, here's one way to do it with Perl:

$ ##
$ awk 'BEGIN{x=0}
>      /123456/ {x=1; getline}
>      /ENDSTM/ && x==1 {x=0}
>      x==1 {print}' f1
stm2 - line 1
stm2 - line 2
stm2 - line 3
stm2 - line 4

The awk gets the page(s) I need. However, on the first page I actually need to start 5 lines above the "123456" (6 including that line).

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IGAWK(1)							 Utility Commands							  IGAWK(1)

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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