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Top Forums Shell Programming and Scripting Manipulate application status with awk Post 302956918 by RudiC on Monday 5th of October 2015 09:40:58 AM
Old 10-05-2015
man awk:
Quote:
Statements are terminated by newlines, semi-colons or both. Groups of statements such as actions or loop bodies are blocked via { ... } as in C.

The following statements control program flow inside blocks.

if ( expr ) statement
Your snippetif ($1==online); means "if yes do nothing". Remove the semicolon and "embrace" the split and print statements.

---------- Post updated at 15:40 ---------- Previous update was at 15:38 ----------

You know that you are operating on master_1 (or whatever comes in line # 1) only; "master_2" and "reserve_x" won't be touched at all?
 

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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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