Hi List,
When I have changed the method
from my $twig = XML::Twig->new(start_tag_
handlers => {
BSC => \&on_BSC
});
to
my $twig = XML::Twig->new(TwigHandlers => {
BSC => \&on_BSC
});
I am able to print the value against the ALPHA tag.
Thanks to you for your support.
Best Regards
Anirban Adhikary.
On Mon, Mar 19, 2012 at 8:15 PM, Anirban Adhikary <
[email protected]> wrote:
> Hi,
> When I am trying to print the value against the tag ALPHA it is not prints
> anything,though it is not showing any warnings.
>
>
> use strict;
> use warnings;
>
> use XML::Twig;
>
> my $twig = XML::Twig->new(start_tag_handlers => {
> BSC => \&on_BSC
> });
>
> sub on_BSC {
> my($twig, $bsc)= @_;
> print $bsc->id, "\n";
> my $alpha = $bsc->field('ALPHA');
> print $alpha, "\n";
> $twig->purge;
> }
>
> $twig->parsefile(ISProducts.xml');
>
>
> On Mon, Mar 19, 2012 at 7:54 PM, Anirban Adhikary <
> [email protected]> wrote:
>
>> Hi Rob,
>> Thanks for your support.The code does exactly what I want
>> .................
>> Can you please suggest me a tutorials with good examples on XML::Twig.
>>
>> Another thing can you please explain me this line in the code my($twig,
>> $bsc)= @_;
>>
>> Best Regards
>> Anirban Adhikary.
>>
>>
>> On Mon, Mar 19, 2012 at 7:41 PM, Rob Dixon <[email protected]> wrote:
>>
>>> On 19/03/2012 13:10, Anirban Adhikary wrote:
>>>
>>>> Hi List,
>>>> I have a XML file which looks like as follows
>>>>
>>>> <ISProducts>
>>>> <StoreInfo>
>>>> <BSC id="AMIBRB1">
>>>> <ALPHA>10</ALPHA>
>>>> <AMRCSFR3MODE>1,3,4,7</**AMRCSFR3MODE>
>>>> <AMRCSFR3THR>12,16,21</**AMRCSFR3THR>
>>>> <AMRCSFR3HYST>2,3,3</**AMRCSFR3HYST>
>>>> <AMRCSFR4MODE>1,3,6,8</**AMRCSFR4MODE>
>>>> <AMRCSFR4THR>12,17,25</**AMRCSFR4THR>
>>>> <PAGBUNDLE>50</PAGBUNDLE>
>>>> <USERDATA>AMI_BRANLY_B_1</**USERDATA>
>>>> </BSC>
>>>> .........................
>>>> .............................
>>>>
>>>> Now my question is how to extract the value of id in a variable using
>>>> XML::Twig.
>>>> Since the xml file is quite large I like to print the value of id using
>>>> a
>>>> loop.
>>>>
>>>
>>> XML::Twig uses callbacks to process pieces of the XML that you have
>>> defined. In this case you are interested only in the <BSC> start tag so
>>> you can define a "start tag handler". Using $twig->purge empties the
>>> data read so far. If you use this once you have accessed all the
>>> information you need from a given element there is no need to store the
>>> entire XML data in memory.
>>>
>>> The program below doeas what I think you want.
>>>
>>> HTH,
>>>
>>> Rob
>>>
>>>
>>> use strict;
>>> use warnings;
>>>
>>> use XML::Twig;
>>>
>>> my $twig = XML::Twig->new(start_tag_**handlers => {
>>> BSC => \&on_BSC
>>> });
>>>
>>> sub on_BSC {
>>> my($twig, $bsc)= @_;
>>> print $bsc->id, "\n";
>>> $twig->purge;
>>> }
>>>
>>> $twig->parsefile('ISProducts.**xml');
>>>
>>>
>>>
>>>
>>
>
