Bob Showalter said:
> Scott Taylor wrote:
>> Hi All,
>>
>> I'm using XML::Simple to parse a very simple XML file and dump the data
>> into hashes of hashes.
>>
>> The problem I'm getting, is sometimes information is blank in the XMl
>> file; it looks like this:
>> <STREETNUM/>
>> instead of
>> <STREETNUM>1234</STREETNUM>
>>
>> and when I print the hash:
>>
>> print "$x->{VEHICLE}->{STREETNUM} ";
>>
>> it returns: "HASH(blahblah)";
>>
>> How do I test for this so it prints blank? I've tried many things, the
>> most logical I could think of was:
>>
>> if ($x->{VEHICLE}->{STREETNUM}){ print ... }
>> else { print ""; }
>
> Two ways to do this:
>
> 1) use SuppressEmpty option. This will simply exclude the STREETNUM
> element if it is empty (no attributes and no content)
Thanks. That works, and I don't even have to test it in my output. :)
> 2) use ForceContent option. This will treat the STREETNUM element as a
> hash even if it is empty or contains only text. In this case you would
> use $x->{VEHICLE}{STREETNUM}{content} in your code.
>
> #2 would probably be safer, because it would handle attributes to
> STREETNUM elements properly.
I tried that an all I got was a bunch of trouble; the program seem to go
into a forever loop. :(
I'm just using the data from the file, no attributes, does that matter?
> You can read more about these options in the XML::Simple documentation.
Of course I did, it just doesn't make a lot of sense. :)
--
Scott
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