open (DATA, "<file.txt") or die "Can't open file $!\n";
my @DATA = <DATA>;
close (DATA);

foreach $rec (@DATA) {
	chomp $rec;
	($var1, $var2, $var3, $var4) = split(/,/,$rec);
	$var1 =~ s/\s+$//g;
	$var1 =~ s/"//g;
	$var2 =~ s/\s+$//g;
	$var2 =~ s/"//g;
	$var3 =~ s/\s+$//g;
	$var3 =~ s/"//g;
	$var4 =~ s/\s+$//g;
	$var4 =~ s/"//g;
      	$compHash{$var1} = $var2;
	$aliasHash{$var3} = $var1;
}