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Full Discussion: sed inside awk
Top Forums UNIX for Dummies Questions & Answers sed inside awk Post 302927229 by senhia83 on Monday 1st of December 2014 03:44:58 PM
Old 12-01-2014
sed inside awk
What I want to do is delete everything upto the last underscore (_) in column 2.

Code:
 awk '{ $2=$(echo $2 | sed 's/.*_//'); print $0}'


Sed works fine if I echo the string into it, this doesnt work inside awk. What am I doing wrong?

Similarly, how do I store the substring starting with a keyword KEY,

So if my 2nd column is

Code:
WGGG_TTGSGGDS_KEY12-34


then I want to output
Code:
KEY12-34

Code:
In
23 WGGG_TTGSGGDS_KEY12-34 45
26 WGGG_TTGSG67S_KEY14-34 47

Out
23 KEY12-34 45
26 KEY14-34 47

 

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LEARN ABOUT DEBIAN

igawk

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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