Q&A

Q1: Is it necessary to make filehandles in Perl all upper case?
A1: No, it’s not required. However, it is a convention that’s followed by nearly everyone. Making filehandles all upper case makes it easy to distinguish them from variables and function calls. You should definitely follow this convention.
Q2: Aren’t there more types of loops supported by Perl than you list in this hour?
A2: Yes there are, but these are the only loops that are used in this book. There’s not enough time to go into all of the loop constructs supported by Perl here.
Q3: I tried to use the redirection operators you discussed at the DOS prompt in Windows, but they didn’t work.
A3: They won’t work there because they’re a feature specific to UNIX shells. If you like, ...

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