Dave, Thank you for your response. I'm new to perl. I guess I need more than a nudge in the right direction. I tried to reuse a code example for comparing files to no avail. 
handleArgs();

if($outfile) { 
    open (STDOUT, ">$outfile") || die "Cannot redirect STDOUT\n";
}

open(TEMP,$newFile) || die "Error opening $newFile\n";
open(FILE,$oldFile) || die "Error opening $oldFile\n";

while(<TEMP>)
{
    push(@temp, $_);
}

while(<FILE>)
{
    push(@file, $_);
}

%temp = sort(@temp);
%file = sort(@file);

OUTER:
foreach $_ ($file) 
{
    next if /^\s*$/; #ignore empty lines
    next if /^\s*#/; #ignore comments
    chomp;
    # $_ = lc;
    while(%temp) 
    {
        $x = shift %temp;
        next if ($x =~ /^\s*$/);
        next if ($x =~ /^\s*#/);
        chomp $x;
        @compX = split /,/, $x;
        @compY = split /,/, $_;
    $comparison = lc($compY[0..2]) cmp lc($compX[0..2]);
        print "$_ - $x = $comparison\n" if $DEBUG;
        if($comparison == 0) {
            print "Record match...checking pctChange \n";
            $fpPctChange = abs(($compX[3] - $compY[3]) / $compX[3] * 1
+00);
                if ($fpPctChange > 1) {
                print "      BUT  pct. Change greater than one.for $_ 
+. Please Investigate.\n";
                print "Here's what was Found $_  AND $x\n";
                }
            next OUTER;
        } 
        else {
        print "this record is not a match. $_ , $x\n" if $DEBUG;
        next OUTER;
        }
    }
    print " This oldFile record was not found in newFile file! $_\n";
}

if($W)
{
    foreach $temp (@temp) {    print "Warning $temp not expected\n";}
}

sub handleArgs()
{
    while(@ARGV)
    {
        print "In Handle args\n" if $DEBUG;
    #Enable warnings
        if($ARGV[0] =~ /-W/i)
        {
            $W = 1;    shift(@ARGV);
        }
        elsif($ARGV[0] =~ /-t/i)
        {
            $oldFile = $ARGV[1];    splice(@ARGV, 0, 2);
        }
        elsif($ARGV[0] =~ /-d/i)
        {
            $newFile = $ARGV[1];    splice(@ARGV, 0, 2);
        }
        elsif($ARGV[0] =~ /-O/i)
        {
            $outfile = $ARGV[1];    splice(@ARGV, 0, 2);
        }
else
        {
            print "Invalid Arg in FileCmp ", shift (@ARGV),"\n";
        }
    }
}

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In reply to Re^2: file merge by Anonymous Monk
in thread file merge by nraymond

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