Perl Cookbook, Second Edition
| [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 |