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
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.