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] -p command-line option modifying files with writing filters pack( ) 2nd with Tk resize events package statement __PACKAGE__ symbol 2nd packages determining current calling overriding built-in functions private variables referring to indirectly paragraphs counting in files in pod documentation reading files backwards by reformatting param( ) parent classes accessing overridden methods cloning objects parentheses ( ) autouse pragma prototyping functions substitution parse( ), HTML tables, extracting data parse_csv subroutines ParseDate( ) 2nd parsing comma-separated data command-line arguments commas into numbers date and time from strings filenames HTML HTML tags web server log file XML into data structures into DOM tree into SAX events passing arrays and hashes by reference by named parameter passwords randomly generating reading without echo 2nd paths, XML pattern matching [See regular expressions] pattern separators, reading data with PDL (Perl Data Language) modules, matrix multiplication percent sign (%) %SIG hash hashes performance backreferences and database access, speeding with mod_perl event-based XML parsing presizing hashes web server, improving Perl Data Language [See PDL] PERL_UNICODE environment variable PERL5LIB environment variable perlmenu module permissions CGI scripts libraries symbolic file, instead of octal values testing files for trustworthiness permutations, generating all possible permute program persistent data structures database data private subroutine variables personal identification number (PIN) PF_ constants .ph filename extension PHP, communicating with mod_perl PIN (personal identification number) pinging machines pipe( ) 2nd places( ) pluralizing words plus sign (+), file-access modes .pm filename extension pnotes Apache requests, sharing information between handlers URLs, storing information in pod converting into other languages documentation sorting =head1 sections pod2html pod2man pod2text tools POE framework, writing multitasking server with POE::Component::Server::TCP module POP (Post Office Protocol) servers [See also POP3 servers][See also POP3 servers] fetching and summarizing messages logging in pop( ), circular lists POP3 servers port connection attempts, logging portability closing filehandles encodings in XML Portable Operating System Interface [See POSIX] pos( ) POSIX (Portable Operating System Interface) termios interface time( ) POSIX module blocking signals today's date trigonometric functions POSIX::close( ) 2nd POSIX::setsid( ) POSIX::strtod( ) POSIX::uname( ) POST method 2nd 3rd Post Office Protocol [See POP] posting Usenet messages pound sign (#), with printf( ) pragmas preallocating memory for hashes prime numbers, calculating print( ) email attachments filehandles outputting to multiple storing in variables printf( ) floating-point numbers, rounding storing filehandles in variables printing ; printf( )) [See also print( )][See also print( )] data structures date and time information hashes lists with commas to multiple filehandles simultaneously private function to variable methods module variables subroutine variables processes catching Ctrl-C communicating between controlling input/output creating filtering output gathering output groups 2nd imitating files with named pipes large XML files, processing multitasking servers, writing with POE preprocessing input programs reading from and writing to reading STDERR from replacing running multiple recursively processing files in directories sharing variables among signal handlers overriding writing signals blocking listing available sending turning into errors timing out operations XML processing instructions XSLT, processing zombies avoiding programs CGI [See CGI programming] command-line arguments, parsing controlling input/output of controlling with Expect filtering output gathering output from preprocessing input reading from and writing to reading STDERR from replacing running multiple simulating telnet from testing if running interactively progressive matching protocols Internet socket prototypes 2nd proxy, submitting forms through psgrep program public methods push( ) 2nd circular lists Tie::IxHash module and |