[SYMBOL]
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[H]
[I]
[J]
[K]
[L]
[M]
[N]
[O]
[P]
[Q]
[R]
[S]
[T]
[U]
[V]
[W]
[X]
[Y]
[Z]
h2ph tool, translating C header files
h2xs tool
making a module with C code
handlers Apache
sharing information between
handlers for signals
[See signal handlers] handles
[See filehandles] hard links
hash-list equivalence
hashes
2nd
adding elements to
2nd
anonymous
of arrays
arrays and
comparing keys of
counting how often something appears
deleting elements of
dutree program
finding most common anything
initializing
inverting
for list unions, intersections, differences
lookups by key or value
merging
multiple values per key
presizing
printing
reading and writing records to file
as records
references as elements
references to
representing data relationships
representing relationships between data
retrieving in insertion order
slices of
sorting elements
testing for keys
ties for
traversing
HEAD method
head( ), finding stale hyperlinks
headers, interrogating with mod_perl
here documents
indenting
hex( )
hexadecimal numbers, converting
hidden( ), generating sticky hidden fields
high-resolution timers
history.db file, grepping
hopdelta program
hostnames identifying at socket end
obtaining your own
HotKey module
hours
[See date and time values] hpush( )
HREF fields, substitutions for
hrefsub program
HTML converting ASCII to and from
extracting tags
extracting URLs from
finding stale or fresh links
parsing
putting links around URLs
shortcuts, formatting lists and tables with
tables in, extracting data from
templates
text substitutions
XML and
HTML forms
accessing parameters with mod_perl
automating submission
Boolean connectives in patterns
saving and mailing
sticky widgets
HTML::FormatText module
HTML::LinkExtor module
HTML::Mason module
autohandlers
configuration
dhandlers
2nd
Mason syntax
objects
HTML::TableContentParser module
HTML::TextToHTML module
HTML::TokeParser module
htmlsub program
HTTP methods
2nd
HTTP::Cookies module
HTTP::Response module
hyperlinks clearing link list
extracting from HTML
finding stale or fresh
hyphen (-) -> (arrow) operator
2nd
-> (infix) notation
-0 command-line option
-a command-line option, writing filters
-e command-line option, writing filters
-i command-line option modifying files with
writing filters
-I command-line switch
-n command-line option, writing filters
-p command-line option modifying files with
writing filters
-t command-line option
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