The Perl.org Online Library - www.perl.org. PERL Variable Types. Variables are nothing but reserved memory locations to store values.
This means that when you create a variable you reserve some space in memory. Based on the data type of a variable, the interpreter allocates memory and decides what can be stored in the reserved memory. Therefore, by assigning different data types to variables, you can store integers, decimals, or strings in these variables. We have learnt that Perl has following three basic data types: ScalarsArraysHashes. Tutorials for HTML5, iBATIS, log4j, JSP, JAVA, JDBC, AJAX, WAP, SQL, MySQL, C/C++, PERL, PHP, Ruby, Ruby on Rails, Python, HTML, XHTML, CSS, CGI, Shell, Unix, JavaScript, jQuery, Radius, UML, GPRS, GSM,i-Mode, WiFi, WML, WiMax, SOAP, UDDI, Socket, WSDL, M.