#! perl -w
use strict;
my @colors =  ( [167,45,37,56,65,67,56,78,231,35,142,20,187,137,19,107,117,127,137], # ...
			[221,245,237,0,0,0,0,0,235,235,145,220,218,146,194,46,133,127,45,32] # ...
		      );

# open DATA, '<g3.svg.tmpl' or die $!;
#open OUT, '>g3.svg' or die $!;

local $" = ','; 							# localise $" ($LIST_SEPARATOR) and set it to be a comma
# interpolate the arrays into matching lines
s/^var colors(\d+) = \[\];/var colors$1 = "[@{ $colors[$1 - 1] }]";/	
	and print	# OUT									# and print it if it matched
	or print	#OUT									# otherwise just print them
		while <DATA>;

#close DATA or warn $!'
#close OUT or warn $!'
=pod Output
C:\test>192405
<?xml version="1.0" standalone="no" ?>
<!-- Created by "Barry Griffin"  -->
<!-- (C) Barry Griffin 2002 -->

<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"

"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<svg id="mainmap" xml:space="preserve" style="shape-rendering:geometricPrecision; 
text- rendering:geometricPrecision;
image-rendering:optimizeQuality"
onload="init(evt)" width="800" height="420">

<script type="text/ecmascript"> <![CDATA[
var colors1 = "[167,45,37,56,65,67,56,78,231,35,142,20,187,137,19,107,117,127,137]";
var colors2 = "[221,245,237,0,0,0,0,0,235,235,145,220,218,146,194,46,133,127,45,32]";

REST OF DOC...

C:\test>
=cut
__DATA__
<?xml version="1.0" standalone="no" ?>
<!-- Created by "Barry Griffin"  -->
<!-- (C) Barry Griffin 2002 -->

<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"

"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<svg id="mainmap" xml:space="preserve" style="shape-rendering:geometricPrecision; 
text- rendering:geometricPrecision;
image-rendering:optimizeQuality"
onload="init(evt)" width="800" height="420">

<script type="text/ecmascript"> <![CDATA[
var colors1 = [];
var colors2 = [];

REST OF DOC...