SAMS Teach Yourself Perl in 24 Hours THIRD EDITION

Workshop

Quiz

1:	If you want to use the cwd function twice in a program, how many times do you have to use Cwd;? Once. Once for each instance of cwd, so two times. None. cwd is a built-in function.
2:	What module provides an alias for the $_ variable? LongVars English $_ does not have an alias.

Answers

A1:	a. After a module has been pulled into your program with use, all its functions are available to use throughout the rest of your program.
A2:	b. use English causes $_ to be known by the name $ARG.

Activities

1. Flip to Appendix A and try using the instructions there for installing the module Bundle::LWP from CPAN. You'll need a module in that bundle for the examples in Hour 24.