Beginning Web Development With Perl : From Novice to ... - Nabo

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340■INDEXmethods for retrieving request values,210–217mod_cgi vs. mod_perl, 187, 201prerequisites needed for mod_perl, 194printing incoming client requests, 210–211request handling in, 183–184request procedures for, 185setting response headers, 220–221setting response status, 221–222suEXEC feature, 73, 85switching from mod_cgi to mod_perl,199–200unpacking source code for mod_perlmodule, 194working with request objects, 209–210writing error logs, 227–229writing to alternate log file, 38–39apop() method, 111args() methodaccessing query string with, 212–213casting into scalar, 213–214iterating through arguments, 214–215playing output into hash, 214, 216argumentscalling Mason components with, 274–275iterating through, 214–215arithmetic operators, 293–296attributesLWP::UserAgent module, 96XML::SAX parser, 178–179auth() method, 111authenticationLWP web site, 101–102methods for e-mail, 111authoritative DNS servers, 127–128autodecrement operator (--), 308–310autodispatch, 144autohandlers, 277autoincrement operator (++), 308–310■Bbanner() method, 110bcc (blind carbon copies), 124–125BEGIN block, 39binary numbers, 287–288binding parameters, 62–63bitwise operators, 296blind carbon copies (bcc), 124–125 tag, 270BLOCK directives, 248–249Boolean operators, 301–302breaking out of loops, 333–334browsersconfiguring CGI::Carp fatal errors to, 36–38controlling redirects, 99duplicating browser object, 99–100prompting on receipt of cookies, 17sending fatal errors from Carp to, 30using -dump option in Lynx, 104viewing RSS feeds in, 153–154■Ccallinghost in Net::SMTP module, 120Mason component with arguments, 274National Weather Service SOAP service,149–152Net::Ping, 129SOAP::Lite methods, 142–144SOAP servers, 148–149carbon copies (cc), 124–125Carp module, 29–31about CGI::Carp module and, 35debugging with, 29logging messages to file, 30–31CASE conditionals, 253case sensitivityPerl variable names and, 313when calling Net::Ping, 129casting args() method into scalar, 213–214cc (carbon copies), 124–125CGI (Common Gateway Interface). See alsoCGI module; CGI scriptsdefined, 3CGI moduleabout, 4carrying values between forms, 24–26creating browser cookies, 15–23form elements in, 12–15function-oriented programming methods,5–7HTML tags within, 11–12method groupings for, 4need for when compiling Mason, 265–266object-oriented programming methods,9–11plug-ins, 256printing name input using, 14security issues for, 47sending multiple cookies, 21–22setting cookie expiration dates using, 20time period abbreviations used in, 20uploading files with, 77–83version used in book, 4–5CGI scriptscreating for function-orienteddevelopment, 6–7debugging and troubleshooting, 27–31executing with Apache::Registry orApache::PerlRun, 189–193, 202–205faster execution with mod_perl module, 188file permissions and, 32
■INDEX 341mod_cgi vs. mod_perl execution of,187–188, 201output problems with forms usingmod_cgi vs. mod_perl, 190–193permissions and system interaction, 73printing content-type of uploaded file, 80pros and cons of system interaction with,26–27security of, 31taint mode, 32–33using system processes within, 85viewing environment variables in, 23–24CGI::Carp module, 35–39about Carp module and, 35configuring fatal errors to display inbrowsers, 36–38security for, 47cgi-lib.pl, 4checking e-mailMail::Box for, 117–118Net::POP3 for, 107–117child processesApache request handling with, 184, 186forking, 186–187chomping, 240, 241–242chunking, 286classes of SOAP::Lite, 139clearingcookies, 16namespaces, 189, 203CLI (command-line interface), 70closedir() function, 77closing filehandles, 76command-line interface (CLI), 70comments, 242–243Common Gateway Interface. See CGIcompilingMason, 265–267options for mod_perl, 198components, 270–274defined, 254get_year, 280illustrated, 271syntax of, 271–272top-level, 264using, 270–271concatenation operator, 302conditionalsIF-ELSIF-ELSE, 252–253modified within Mason page, 272short-circuited evaluation of, 325SWITCH and CASE, 253within Mason page, 271–272configuringMason, 268Mason and Apache, 267–269mod_perl, 198–199, 206–207connecting to databasedatabase handles and, 52–53steps for, 56troubleshooting connections, 70content event handlers for XML::SAX, 173,174content() method, 216convertingbetween strings and numbers, 292–293web sites to Mason, 233cookie_jar attribute, 101cookies, 15–23checking data from, 34creating with CGI module, 18defined, 15expiration dates for, 19–20handling for LWP modules, 101limitations for using, 16–17parameters for, 16prompting on receipt of, 17reading, 224–225retrieving, 18–19secure, 223–224sending multiple, 21–22sending with Apache::Cookie, 223setting, 17working with Apache::Cookie class,222–225creating RSS channel, 159–162credentials() method, 101–102■DData::Dumper module, 168–170datachecking cookie, 34untainting, 33using untrusted, 33–34data source names (DSNs), 51–52data types, 285–293numbers, 285–288setting in SOAP::Lite, 145–146strings, 288–291database driversDSNs corresponding to, 52listing installed, 50–51database handlesconnecting to database with, 52–53, 56defined, 50disconnect() method, 57do() method for, 62quote() method for, 61–62databases, 49–72binding parameters, 62–63connecting to, 56creating HTML table, 67–69database handles, 52–53disconnecting from, 57
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Beginning Web Development with Perl
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PART 5 ■ ■ ■ Creating Web Tem
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■CONTENTSvii■CHAPTER 4 System I
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■CONTENTSixCreating a SOAP Listen
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■CONTENTSxiTemplate Toolkit Synta
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About the Author■STEVE SUEHRING i
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AcknowledgmentsThanks to James Lee
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xx■INTRODUCTIONThis book will use
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CHAPTER 1■ ■ ■The CGI ModuleT
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CHAPTER 1 ■ THE CGI MODULE 5for t
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CHAPTER 1 ■ THE CGI MODULE 7Obvio
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CHAPTER 1 ■ THE CGI MODULE 9exit;
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CHAPTER 1 ■ THE CGI MODULE 11Each
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CHAPTER 1 ■ THE CGI MODULE 13When
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CHAPTER 1 ■ THE CGI MODULE 15Upda
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CHAPTER 1 ■ THE CGI MODULE 17rese
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CHAPTER 1 ■ THE CGI MODULE 19prin
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CHAPTER 1 ■ THE CGI MODULE 21Sett
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CHAPTER 1 ■ THE CGI MODULE 23You
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CHAPTER 1 ■ THE CGI MODULE 25■C
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CHAPTER 1 ■ THE CGI MODULE 27No m
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CHAPTER 1 ■ THE CGI MODULE 29The
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CHAPTER 1 ■ THE CGI MODULE 31prin
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CHAPTER 1 ■ THE CGI MODULE 33Also
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CHAPTER 2■ ■ ■Popular CGI Mod
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CHAPTER 2 ■ POPULAR CGI MODULES 3
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50CHAPTER 3 ■ DATABASES AND PERLT
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52CHAPTER 3 ■ DATABASES AND PERLm
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54CHAPTER 3 ■ DATABASES AND PERLl
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56CHAPTER 3 ■ DATABASES AND PERLc
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58CHAPTER 3 ■ DATABASES AND PERLR
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62CHAPTER 3 ■ DATABASES AND PERLw
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64CHAPTER 3 ■ DATABASES AND PERLA
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74CHAPTER 4 ■ SYSTEM INTERACTION
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76CHAPTER 4 ■ SYSTEM INTERACTIONt
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78CHAPTER 4 ■ SYSTEM INTERACTIONc
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80CHAPTER 4 ■ SYSTEM INTERACTIONA
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82CHAPTER 4 ■ SYSTEM INTERACTIONm
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84CHAPTER 4 ■ SYSTEM INTERACTIONs
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86CHAPTER 4 ■ SYSTEM INTERACTIONr
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CHAPTER 5■ ■ ■LWP ModulesLWP
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CHAPTER 5 ■ LWP MODULES 91HTTP Re
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CHAPTER 5 ■ LWP MODULES 93Get Fun
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CHAPTER 5 ■ LWP MODULES 95When ca
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CHAPTER 5 ■ LWP MODULES 97These a
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CHAPTER 5 ■ LWP MODULES 99Recall
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CHAPTER 5 ■ LWP MODULES 101which
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CHAPTER 5 ■ LWP MODULES 103For th
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CHAPTER 5 ■ LWP MODULES 105Obviou
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108CHAPTER 6 ■ NET:: TOOLSCreatin
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110CHAPTER 6 ■ NET:: TOOLSThe out
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112CHAPTER 6 ■ NET:: TOOLSmy $pop
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114CHAPTER 6 ■ NET:: TOOLSthe POP
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116CHAPTER 6 ■ NET:: TOOLS($messa
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118CHAPTER 6 ■ NET:: TOOLSListing
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120CHAPTER 6 ■ NET:: TOOLSFor the
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122CHAPTER 6 ■ NET:: TOOLSNet::SM
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124CHAPTER 6 ■ NET:: TOOLS$smtpco
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126CHAPTER 6 ■ NET:: TOOLSuse Net
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128CHAPTER 6 ■ NET:: TOOLSListing
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130CHAPTER 6 ■ NET:: TOOLSFor exa
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132CHAPTER 6 ■ NET:: TOOLSSending
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PART 3■ ■ ■XML and RSS
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138CHAPTER 7 ■ SOAP-BASED WEB SER
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154CHAPTER 8 ■ PERL AND RSSFigure
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156CHAPTER 8 ■ PERL AND RSShttp:/
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158CHAPTER 8 ■ PERL AND RSSDebugg
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160CHAPTER 8 ■ PERL AND RSS$rsswr
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162CHAPTER 8 ■ PERL AND RSSListin
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CHAPTER 9■ ■ ■XML Parsing wit
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CHAPTER 9 ■ XML PARSING WITH PERL
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PART 4■ ■ ■PerformanceEnhance
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184CHAPTER 10 ■ APACHE AND MOD_PE
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202CHAPTER 11 ■ DEVELOPMENT WITH
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CHAPTER 12■ ■ ■The Template T
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CHAPTER 12 ■ THE TEMPLATE TOOLKIT
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CHAPTER 13■ ■ ■Perl Web Sites
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CHAPTER 13 ■ PERL WEB SITES WITH
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284APPENDIX ■ PERL BASICSKeywords
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286APPENDIX ■ PERL BASICS$ perl n
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288APPENDIX ■ PERL BASICSAnd line
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Page 322 and 323: 314APPENDIX ■ PERL BASICSmy $name
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Page 340 and 341: 332APPENDIX ■ PERL BASICSuse stri
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Page 350 and 351: 342■INDEXdo() method for, 62dumpi
Page 352 and 353: 344■INDEXhello option for Net::SM
Page 354 and 355: 346■INDEXNet::DNS module, 125-128
Page 356 and 357: 348■INDEXrecord with Net::DNS mod
Page 358 and 359: 350■INDEXstoring mail server in e
Page 360 and 361: 352■INDEXlogging based on, 229pri
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