in reply to How to RTFM
Quick note: perldoc -q regex will
use a regular expression to perform a search of the
perlfaq pages you mentioned. For instance:
[cwinters@genesee cwinters]$ perldoc -q hash
Found in /usr/local/lib/perl5/5.6.1/pod/perlfaq3.pod
How can I free an array or hash so my program shrinks?
Found in /usr/local/lib/perl5/5.6.1/pod/perlfaq4.pod
How do I test whether two arrays or hashes are equal?
Data: Hashes (Associative Arrays)
How do I process an entire hash?
What happens if I add or remove keys from a hash while
iterating over it?
How can I always keep my hash sorted?
What's the difference between "delete" and "undef" with
How do I sort a hash (optionally by value instead of key)?
Not only is this useful in and of itself, but since the
FAQ entries frequently contain references to other perldoc
pages folks might not know about
(perlbot, perlref, ...), it's
a great starting point, too.