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Keywords related to the control flow of your perl program
"caller", "continue", "die", "do", "dump", "eval", "exit", "goto", "last", "next", "redo", "return", "sub", "wantarray"

Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live. -- Damian Conway in "Perl Best Practices"
lesen: Wie frage ich & perlintro brian's Leitfaden für jedes Perl-Problem