LYCOS RETRIEVER 
Perl: Programming
built 646 days ago
A reference is a scalar value and can refer to any other Perl data type. So by storing a reference as the value of an array or hash element, you can easily create lists and hashes within lists and hashes. The following example shows a 2 level hash of hash structure using anonymous hash references.
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Perl will convert strings into numbers and vice versa depending on the context in which they are used. In the following example the strings $n and $m are treated as numbers when they are the arguments to the addition operator. This code prints the number '5', discarding non number information for the operation, although the variable values remain the same.
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Each <Perl> section is evaluated in its unique namespace, by default residing in a sub-namespace of Apache2::ReadConfig::, therefore any local variables will end up in that namespace. For example if a <Perl> section happened to be in file /tmp/httpd.conf starting on line 20, the namespace: Apache2::ReadConfig::tmp::httpd_conf::line_20 will be used. Now if it had:
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Perl is widely favored for database applications. Its text handling facilities are useful for generating SQL queries; arrays, hashes and automatic memory management make it easy to collect and process the returned data.
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This is the homepage of the Israeli Perl Mongers, a group of people dedicated to the advancement of Perl in Israel. There are other Perl Mongers groups around the world, as well as another group - Jerusalem.pm, here in Israel.
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A: irc.perl.org is collection of IRC servers run by various members of the Perl community. The URI of irc.perl.org is a DNS round-robin which points to these servers. This network ... goes by the names of MagNET and Rhizomatic.
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