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Top Forums Shell Programming and Scripting Combine logs span across multiple lines Post 302988068 by jim mcnamara on Tuesday 20th of December 2016 07:48:37 AM
Old 12-20-2016
IF you have "markers" and you know them all - DEBUG ERROR (you fill in the rest)

Code:
awk '  BEGIN {ok=0}
         { 
            if( index("|DEBUG|ERROR|", $1) ) 
            {
                 ok=( $1 == "ERROR")
            }
            if(ok) {print $0}
       } '  logfile

Note: this could be transformed into a one-liner awk statement. But since you seem not to know awk, I feel this is more helpful for understanding.


Change "|DEBUG|ERROR|" to include all of the "marker" words, the words you use to delimit your search.
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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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