File SAPconf-reconfig of Package sapconf.4964

#!/usr/bin/perl

use strict;
use warnings;

if (! $ARGV[0] || ! $ARGV[1])
{
	print <<EOF;
$0 usage: <file1> <file2>

Little script to compare values of parameters of two different files. Integer
values, that are higher in one of the files, always win.

Prints the result to STDOUT

EOF
exit 1;
}

my @file2_ar;
open FILE, $ARGV[1] or die "Couldn't open file $ARGV[1] for reading";
while (<FILE>)
{
	my $line = $_; chomp $line;
	push (@file2_ar, $line);
}
close FILE;

open FILE, $ARGV[0] or die "Couldn't open file $ARGV[0] for reading";
while (<FILE>)
{
	my $line = $_; chomp $line;
	
	$line =~ /^\s*([a-zA-Z0-9_]+)=(\"?\D*(\d+)\"?\s*)$/;
	my $param_file1 = $1;
	my $value_file1 = $3;
	
	for (my $count = 0; $count < @file2_ar; $count++ )
	{
		$file2_ar[$count] =~ /^\s*([a-zA-Z0-9_]+)=(\"?\D*(\d+)\"?\s*)$/;
		my $param_file2 = $1;
		my $value_file2 = $3;
		if (defined $param_file1 and defined $param_file2
			and defined $value_file1 and defined $value_file2
			and $param_file1 eq $param_file2
			and $value_file2 > $value_file1)
			{
				$line = $file2_ar[$count];
				splice(@file2_ar,$count,1);
				last;
			}
	}
	print "$line\n";
}
close FILE;