HowTo - manipulating an existing tree 1

[shlomyb]

I use XML:OM to get a xml to a tree.
By getChildern I can get a list of a specific node.

But how can I manipulte this tree by insert a new node / delete a node and so one...

thanks.

 

[stevexff]

use Data::Dumper;
use XML::DOM;

my $parser = new XML::DOM::Parser;
my $doc = $parser->parsefile ("file.xml");

print Dumper($doc);

will show you what the structure looks like once it has been parsed. Once you know this, you can think about modifying it...

Steve

[small]"Every program can be reduced by one instruction, and every program has at least one bug. Therefore, any program can be reduced to one instruction which doesn't work." (Object:erlDesignPatterns)[/small]

 

[shlomyb]

Thanks , but is there an interface that I can use instead ?
(such as setNode() , etc...)


How can I transfer a tree to an XML ?

and again , thanks.

 

[stevexff]

XML:OM seems to have a method

$doc->printToFile ("out.xml");

that you can use to write it out again.

As for the other, you could always rtfm on CPAN. That's all I'm doing...

Steve

[small]"Every program can be reduced by one instruction, and every program has at least one bug. Therefore, any program can be reduced to one instruction which doesn't work." (Object:erlDesignPatterns)[/small]

 

[shlomyb]

rtfm = meaning searching ?
Cause I am doing it all day now but mybe because it is my first Perl day , I can not find any directions regarding the
" =is there an interface that I can use instead ?
(such as setNode() , etc...)" problem...

 

[stevexff]

The node objects have an insertBefore and a replaceChild method you might be able to use.

If this is really your first exposure to perl, then parsing XML with XML:OM is going to be a pretty steep learning curve.

rtfm : read the fine manual

Steve

[small]"Every program can be reduced by one instruction, and every program has at least one bug. Therefore, any program can be reduced to one instruction which doesn't work." (Object:erlDesignPatterns)[/small]

 

[MillerH]

rtfm : read the fine manual

Hmm.... I don't think it really means "fine" there ... :-D