my $cChipId;
my $cSubVersId;
my %data_ids;
my $readline;
if(open (my $CFILE,"config.txt" ) || die "couldnt open file:", $! ) {
   while ($readline = <$CFILE>) {
	   chomp $readline;
	   my ($key , $value) = (split /::/, $readline);
	   $data_ids($key) = $value;
       $readline = <$CFILE>;
   }
    
   foreach my $key (keys %data_ids) {
	   $cChipid = $data_ids('chipid');
	   $cSubVersId = $data_ids('subversid');
   }
}
close($CFILE);