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Top Forums Shell Programming and Scripting Removing extra lines from file Post 302930725 by Don Cragun on Tuesday 6th of January 2015 03:01:58 PM
Old 01-06-2015
If delete array_name doesn't work in your version of awk and the trailing part of your xml isn't too large, you can also try the slightly more complex script below. It just uses a variable instead of an array and just skips over header and trailer data after the 1st complete xml segment:
Code:
awk '
/<[?]xml/,/<rs:data>/ {
	CopyData = 1
	if(!TrailerDone) print
	next
}
/<\/rs:data>/,/<\/xml>/ {
	CopyData = 0
	if(!TrailerDone) Trailer = ((Trailer == "") ? $0 : (Trailer RS $0))
}
/<\/xml>/ {
	TrailerDone = 1
}
CopyData
END {	print Trailer
}' file.xml

If you want to try this on a Solaris/SunOS system, change awk to /usr/xpg4/bin/awk, /usr/xpg6/bin/awk, or nawk.
This User Gave Thanks to Don Cragun For This Post:
 

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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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