Thinking like a Perl programmer
- ¶ What does the -w mean?
- ¶ How do I parse out part of a file from the middle of the file?
- ¶ Can I make changes to a file without using a temporary file?
- ¶ How do I assign a value to a variable and modify it with a regular expression, in one statement?
- ¶ How do I return multiple variables (scalar, array or hash) from a subroutine?