Basic HTML version of Foils prepared Sept 20 97

Foil 2 Abstract of Perl5 and Extensions

From Perl5 and Advanced Perl4 Features Computational Science for Information Age Course CPS616 -- Sept 20 97. by Geoffrey C. Fox,Nancy McCracken,Tom Scavo


See Perl Home Page http://www.perl.com/ for background information and resources such as manual!
This foilset mainly extends the previous Perl Overview with a discussion of some key Perl5 capabilities. However, some topics may be advanced Perl4 features
We give an initial summary of Perl5 changes and then discuss:
Some old and new functions in Perl
Regular expression enhancements
New syntax, especially -> and =>
New subroutine calling and declaration syntax
Hard (address) and soft (symbol table) references
General data structures, including multidimensional arrays
Object-oriented features: packages, classes, and methods



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