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<node id="78798" title="Re: How to RTFM" created="2001-05-08 11:36:14" updated="2005-07-30 14:07:56">
<type id="11">
note</type>
<author id="27402">
lachoy</author>
<data>
<field name="doctext">
&lt;p&gt;Quick note: &lt;code&gt;perldoc -q regex&lt;/code&gt; will 
use a regular expression to perform a search of the 
&lt;code&gt;perlfaq&lt;/code&gt; pages you mentioned. For instance:&lt;/p&gt;

&lt;code&gt;
[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
hashes?
...
How do I sort a hash (optionally by value instead of key)?

(etc.)
&lt;/code&gt;

&lt;p&gt;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 
(&lt;code&gt;perlbot, perlref, ...&lt;/code&gt;), it's 
a great starting point, too.&lt;/p&gt;

&lt;p&gt;Chris&lt;br&gt;
M-x auto-bs-mode&lt;/p&gt;</field>
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78752</field>
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78752</field>
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