== Making the application start up from a main routine == In some languages, a '''main''' function provides a program entry point, providing the first user written operations to be performed when the program starts. The [[awk]] extraction and reporting language is [[datadriven]], so does not have a main function. However, it does support the use of [[begin]] blocks, which can be used to provide us with an initial startup [[block]] for our application: {{{ BEGIN { # This is our main startup procedure print "Hello World!" } }}}
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