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Perl expert Ted Zlatanov continues his top-down development of the cfperl project, a cfengine interpreter written in Perl, starting with the control flow and configuration handling. This chapter is from Ted's book, At the Helm, being published serially on the Web in the developerWorks column The road to better programming. Read The road to better programming: Chapter 7. Top-level control flow here. (http://www.opensourcetutorials.com/tutorials/Server-Side-Coding/Perl/top-level-control-flow/page1.html)