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Full Discussion: Printing from file with awk
Top Forums Shell Programming and Scripting Printing from file with awk Post 302893125 by keenboy100 on Monday 17th of March 2014 01:12:56 PM
Old 03-17-2014
Printing from file with awk

Hi,

I'm trying to find an efficient way with awk to print the lines from a file which match the string 'OFFLINE' and DO NOT match the string ONLINE within 2 minutes from the date stamp in column 1.

The file is similar to the following:

Code:
09:40:26    HostC    OFFLINE
09:40:43    HostA    ONLINE
09:41:15    HostB    OFFLINE
09:41:55    HostA    ONLINE
09:42:26    HostD    ONLINE
09:42:49    HostB    ONLINE
09:44:05    HostB    ONLINE
09:44:59    HostB    OFFLINE

The output I want from this file would be:

Code:
09:40:26    HostC    OFFLINE

Is this something that can be achieved with AWK?

Many thanks,
 

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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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