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Top Forums UNIX for Dummies Questions & Answers optimizing - to find the number of occurrence Post 302102038 by Perderabo on Monday 8th of January 2007 04:35:18 AM
Old 01-08-2007
perl will close the file when it exits but I guess if you put that close between the loops it might make sense.

And when you're working in perl you don't call associative arrays "associative arrays". You call associative arrays "hashes". And when you write a perl routine you always try to sneek them in where ever you can. This book says: "Until you start thinking in terms of hashes, you aren't really thinking in Perl."
 

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XPath::NodeSet(3)					User Contributed Perl Documentation					 XPath::NodeSet(3)

NAME
XML::XPath::NodeSet - a list of XML document nodes DESCRIPTION
An XML::XPath::NodeSet object contains an ordered list of nodes. The nodes each take the same format as described in XML::XPath::XMLParser. SYNOPSIS
my $results = $xp->find('//someelement'); if (!$results->isa('XML::XPath::NodeSet')) { print "Found $results "; exit; } foreach my $context ($results->get_nodelist) { my $newresults = $xp->find('./other/element', $context); ... } API
new() You will almost never have to create a new NodeSet object, as it is all done for you by XPath. get_nodelist() Returns a list of nodes. See XML::XPath::XMLParser for the format of the nodes. string_value() Returns the string-value of the first node in the list. See the XPath specification for what "string-value" means. to_literal() Returns the concatenation of all the string-values of all the nodes in the list. get_node($pos) Returns the node at $pos. The node position in XPath is based at 1, not 0. size() Returns the number of nodes in the NodeSet. pop() Equivalent to perl's pop function. push(@nodes) Equivalent to perl's push function. append($nodeset) Given a nodeset, appends the list of nodes in $nodeset to the end of the current list. shift() Equivalent to perl's shift function. unshift(@nodes) Equivalent to perl's unshift function. prepend($nodeset) Given a nodeset, prepends the list of nodes in $nodeset to the front of the current list. perl v5.16.2 2002-09-02 XPath::NodeSet(3)
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