Perl教學

DBI and DBD Database Access Modules for Perl 5 · mSQL and mSQLPerl ... Selina Sol's CGI Script Archive · Reach for the Stars at www.stars.com. SpecialEdition UsingPerl for WebProgramming DavidHarlan½Ķ¡G¼B´¼º~,etal. ¥Ø¿ý ²Ä¤@³¹  Perl·§­z Perl °_·½ ­É¥Îªº·§©À ¶O¥Î¤Î±ÂÅv ³nÅé´²¼½ Perlµ{¦¡³]­p ©I¥sPerl ©R¥O¦C°Ñ¼Æ µ{¦¡°ò¥»¬[ºc ¸ê®Æ«¬ºA ¼Æ­È¸ê®ÆScalars °}¦CArrays °}¦C²Õ¦XAssociativeArrays Àɮ׳B²zFileHandles ¯S®íÅÜ¼Æ Àô¹ÒÅÜ¼Æ µ{¦¡°Ñ¼Æ CurrentLine ¨t²Î¿ù»~°T®§ ¬yµ{±±¨î ÅÞ¿è¹Bºâ¤¸ ±ø¥óªí¹F¦¡ ½Æ¦Xªí¹F¦¡ °j°é ²Å¸¹ ¤lµ{¦¡ Åܼƨϥνd³ò µ{¦¡§G§½ ¥¿³Wªí¥Üªk Matching ¤lµ{¦¡ FromHere ²Ä2³¹  CGI²¤¶ ¨Ï¥ÎCGIªº²z¥Ñ ¨Ï¥ÎPerlªº­ì¦] ¦p¦ó¨ÏPerl§@CGIªº¤u§@ ¤F¸ÑCGI ±qForm©I¥sScript ±qµ{¦¡¨ú±o¸ê®Æ ¦³®Ä²vªº¨Ï¥ÎQUERY_STRING ¨Ï¥Î¥¿³Wªºªí¹F¦¡tr/// ands/// ­¶­±¿é¥X ¦bWebServer¤W³Ð³yscript ª½±µ©I¥sCGIScript ­­¨îÀɮ׸ê®Æªº¤j¤p UsingtheLocationHeader ¦bServerºÝ¨Ï¥ÎCGI FromHere ²Ä3³¹  ¶i¶¥ªí³æ³B²z¤Î¸ê®ÆÀx¦s ¨Ï¥ÎPOST¤èªk GET¤ÎPOST¤ñ ¸û ¦bªí³æ ¤¤¨Ï¥ÎPOST¨Ó³B²z¸ê°T ±N§AªºPerlµ{¦¡¼Ò²Õ¤Æ ©w¸q¤Î©I¥s¤lµ{¦¡ ¨Ï¥ÎÅܼƧO¦W ¨Ï¥Î¸ê®Æ®w§@¸ê®ÆÀx¦s ¦p¦ó¶}±Ò¸ê®Æ®wÀÉ®× ±N¸ê®ÆÀx¦s¨ì¸ê®Æ®w¤¤ ¸ê®Æ®wªºªì©l ¦p¦ó±N¸ê®ÆÀx¦s¨ì¸ê®Æ®w¤¤ ¨Ï¥Î½Æ¦Xªí³æ¥H¤Î·j´M¬ÛÃö¸ê®Æ ³B²zªí³æ¸ê®Æ¤Î±K ½XÀˬd ¤F¸Ñ¸ê®Æ®w¨t²Îªº­­¨î FromHere ²Ä4³¹  ¶i¶¥­¶­±¿é¥X§Þ¥© ¸ê®Æ®wÀɮרt²Î¤Î­¶­±¿é¥X»¡©ú ¼Ð·Çµe­±¿é¥X ¨Ï¥ÎªÌ¦Û­q­¶­±¿é¥X ±N³B²z¹Lªº¸ê®Æ¶Ç¦^ ªí³æ ¶ñº¡¤å¦rÄæ¦ì¤Î¦C¥ÜÄæ ½s¿è©MÀx¦s¨Ï¥ÎªÌ¦Û­qµe­± FromHere ²Ä5³¹  ·j´M ·j´Mºô¯¸¤¤ªº¯S©w¤å¦r ¨Ï¥Î»¼°j¤lµ{ ¦¡·j´M¯S©w¥Ø¿ý ¨Ï¥Î¤lµ{¦¡ ¦b¥Ø¿ý¤¤³B²zÀÉ®× ¨Ï¥Î¯Á¤Þ·j´M ±Nºô¯¸¸ê®Æ¦b¸ê®Æ®w¤¤§@¯Á¤Þ ¨Ï¥Î¯Á¤ÞÀɨӧ@·j´M ·j´Mµ²ªG¿é¥X ¤£¨Ï¥Î¯Á¤Þ§@·j´Mªº­¶­±¿é¥X ¨Ï¥Î¯Á¤Þ§@·j´Mªº­¶­±¿é¥X FromHere ²Ä6³¹  °ÊºA­¶­± ²£¥ÍHTML­¶­± ¤F¸ÑCGIÀô¹Ò ¤Î²£¥ÍHTMLÀÉ CGIÀô¹ÒÅÜ¼Æ ¡Ð¨Ï¥ÎGET CGIÀô¹ÒÅÜ¼Æ ¡Ð¨Ï¥ÎPOST ±N¨Ï¥ÎªÌ¾É¤Þ¨ì«ü©w ªºµe­± ¥ÎPerl¹F¨ì«È¤áºÝ±À¼½§Þ³N ¨Ï¥ÎPerl¹F¨ìserverºÝ±À¼½§Þ³N FromHere ²Ä7³¹  °ÊºA¤Î¤¬°Ê¦¡ªºHTML¤º®e «Ø¥ß¨Ï¥ÎªÌ©w¸qªºµe­± AllowingtheUsertoShopforOptions BuildinganHTMLDocumentBased onOptions UsingServer-SideIncludes UnderstandingtheSSICommands SettingupanEnvironment forServer-SideIncludes UnderstandingtheCommands UnderstandingShoppingCarts ShoppingCartUsingHiddenFields ShoppingCartUsingHTTPCookies FromHere ²Ä8³¹  ¨Ï¥ÎªÌªº»{ÃÒ °ò¥»¨Ï¥ÎªÌ»{ÃÒ ³B²z¨Ï¥ÎªÌªºID CGIµ{¦¡°õ¦æ ¸ê®Æ³B²z±±¨î ¨Ï¥ÎªÌ»{ÃÒ ApacheServer¤Wªº¨Ï¥ÎªÌ»{ÃÒ °õ¦æ­­¨î ApacheÀɮײպA ¥Ø¿ý²ÕºA ¨Ï¥ÎªÌºÞ²z ·s¼W¨Ï¥ÎªÌ §R°£¨Ï¥ÎªÌ §ó§ï±K½X ±N¨Ï¥ÎªÌ¥[¨ì¸s²Õ¤¤ ±q¸s²Õ¤¤§R°£¨Ï¥ÎªÌ FromHere ²Ä9³¹  ¤F¸ÑCGI¦w¥þ©Ê ¤F¸Ñ¦w¥þ»Ý¨D ©R¥O°lÂÜ Åª¨úÀÉ®× ¼g¤JÀÉ®× ÅÜ¼Æ±Æ§Ç ¸ê®Æ¿ò¥¢ ManagingSessions TheNatureofaSession TheWrapper GenericSubstitutions ¬yµ{±±¨î À³¥Î½d¨Ò³]­p µ{¦¡¬yµ{ DataIssues «Ø¸mÀ³¥Î½d¨Ò ²Ä¤@¨B¡F¥Dµ{§Ç ¨ú±oCGI­È Ū¨ú²£¥Íªº¸ê®Æ ³ê°_¯S©w¨ç¼Æ ¤ÀªRHTMLÀÉ®× ±µ¨üµn¤J µn¤Jµn¥X µn¤J ¨Ï¥ÎªÌ»{ÃÒ µn¥X ManagingSessionData StoringSessionData RetrievingSessionData ManagingtheOrders BuildinganOrder ReviewingtheOrder PlacingtheOrder WrappingUp FromHere ²Ä10³¹  ºô¯¸ºÞ²z WorkingwithWebServerLogFiles GeneratingHTMLOutputfromaLog File ReviewingtheAccessWatchLog Analyzer UnderstandingFileMaintenance UnderstandingRobots andtheRobot-ExclusionStandard ConfiguringSomeCommonWebServers O'Reilly'sWebSite NCSAhttpd Apache ExaminingSome OtherFile-andSite-AdministrationIssues FromHere Chapter11  DatabaseInteraction JustifyingPerl/Database Interaction ExaminingtheDatabaseOptions DBIandDBDDatabaseAccess ModulesforPerl5 mSQLandmSQLPerl OracleRDBMSandOraperl StartingaNewMessageThread ListingThreads andDisplayingtheContentsofaSingleThread NavigatingThrough MessagesandPostingReplies FromHere Chapter12  DatabaseApplicationUsingCGI FundamentalDesignandSecurity Issues Advantagesand DisadvantagesofaWeb/RDBMSInterface LimitationsofHTTPinaDatabase Context SecurityIssues ASimpleWorkingExampleinPerl AccessingaDBMSfromPerl DefiningtheDatabase SchemafortheWorkingExample SearchingtheHotlist ViewingtheDetailRecord SubmittingDatatotheHotlist GeneratingSQLCodeto TransferSubmittedData PerlToolsforWeb/DBMSWork WDB Web/Genera MiniSQL(mSQL)andW3-mSQL DBI ODBCTools SomeUsefulHotlists Problem-Solving Debugging TuningPerformance TheFutureofWeb/Database Interfaces FromHere... Chapter13  SpecialVariables $> $[ $ACCUMULATOR $ARG $ARGV $BASETIME $CHILD_ERROR $DEBUGGING $EFFECTIVE_GROUP_ID $EFFECTIVE_USER_ID $EVAL_ERROR $EXECUTABLE_NAME $FORMAT_FORMFEED $FORMAT_LINES_LEFT $FORMAT_LINES_PER_PAGE $FORMAT_LINE_BREAK_CHARACTERS $FORMAT_NAME $FORMAT_PAGE_NUMBER $FORMAT_TOP_NAME $INPLACE_EDIT $INPUT_LINE_NUMBER $INPUT_RECORD_SEPARATOR $LAST_PAREN_MATCH $LIST_SEPARATOR $MATCH $MULTILINE_MATCHING $OFMT $OS_ERROR $OUTPUT_AUTOFLUSH $OUTPUT_FIELD_SEPARATOR $OUTPUT_RECORD_SEPARATOR $PERLDB $PERL_VERSION $POSTMATCH $PREMATCH $PROCESS_ID $PROGRAM_NAME $REAL_GROUP_ID $REAL_USER_ID $SUBSCRIPT_SEPARATOR $SYSTEM_FD_MAX $WARNING %ENV, %INC, %SIG, @ARGV @INC FromHere... Chapter14  Operators ! != !~ % %= & && &&= &= * ** **= *= +(Unary) +(Binary) ++ += , -(Unary) -(Binary) -- -= -> . .. .= / /= < << <<= <= <=> = == => =~ > >= >> >>= ? LISTOperators(Leftward) LISTOperators(Rightward) NAMEDUnaryOperators TERMs " ^ ^= and cmp eq ge gt le lt ne not or x x= xor | |= || ||= ~ FromHere... Chapter15  FunctionList -A Compliance Syntax Definition Example -B Compliance Syntax Definition Example -b Compliance Syntax Definition Example -C Compliance Syntax Definition Example -c Compliance Syntax Definition Example -d Compliance Syntax Definition Example -e Compliance Syntax Definition Example -f Compliance Syntax Definition Example -g Compliance Syntax Definition Example -k Compliance Syntax Definition Example -l Compliance Syntax Definition Example -M Compliance Syntax Definition Example -O Compliance Syntax Definition Example -o Compliance Syntax Definition Example -p Compliance Syntax Definition Example -R Compliance Syntax Definition Example -r Compliance Syntax Definition Example -S Compliance Syntax Definition Example -s Compliance Syntax Definition Example -T Compliance Syntax Definition Example -t Compliance Syntax Definition Example -u Compliance Syntax Definition Example -W Compliance Syntax Definition Example -w Compliance Syntax Definition Example -X Compliance Syntax Definition Example -x Compliance Syntax Definition Example -z Compliance Syntax Definition Example abs Compliance Syntax Definition Example accept Compliance Syntax Definition   alarm Compliance Syntax Definition Example atan2 Compliance Syntax Definition Example bind Compliance Syntax Definition   binmode Compliance Syntax Definition Example bless Compliance Syntax Definition Example caller Compliance Syntax Definition Example chdir Compliance Syntax Definition Example chmod Compliance Syntax Definition Example chomp Compliance Syntax Definition Example chop Compliance Syntax Definition Example chown Compliance Syntax Definition Example chr Compliance Syntax Definition Example chroot Compliance Syntax Definition Example close Compliance Syntax Definition Example closedir Compliance Syntax Definition Example connect Compliance Syntax Definition   continue Compliance Syntax Definition Example cos Compliance Syntax Definition Example crypt Compliance Syntax Definition Example dbmclose Compliance Syntax Definition   dbmopen Compliance Syntax Definition   defined Compliance Syntax Definition Example delete Compliance Syntax Definition Example die Compliance Syntax Definition Example do Compliance Syntax Definition Example dump Compliance Syntax Definition   each Compliance Syntax Definition Example endgrent Compliance Syntax Definition Example endhostent Compliance Syntax Definition Example endnetent Compliance Syntax Definition Example endprotoent Compliance Syntax Definition Example endpwent Compliance Syntax Definition Example endservent Compliance Syntax Definition Example eof Compliance Syntax Definition Example eval Compliance Syntax Definition Example exec Compliance Syntax Definition Example exists Compliance Syntax Definition Example exit Compliance Syntax Definition Example exp Compliance Syntax Definition Example fcntl Compliance Syntax Definition   fileno Compliance Syntax Definition Example flock Compliance Syntax Definition   fork Compliance Syntax Definition Example format Compliance Syntax Definition Example formline Compliance Syntax Definition Example getc Compliance Syntax Definition Example getgrent Compliance Syntax Definition Example getgrgid Compliance Syntax Definition Example getgrname Compliance Syntax Definition Example gethostbyaddr Compliance Syntax Definition Example(Perl5only) gethostbyname Compliance Syntax Definition Example gethostent Compliance Syntax Definition Example getlogin Compliance Syntax Definition Example getnetbyaddr Compliance Syntax Definition Example getnetbyname Compliance Syntax Definition Example getnetent Compliance Syntax Definition Example getpeername Compliance Syntax Definition   getpgrp Compliance Syntax Definition Example getppid Compliance Syntax Definition Example getpriority Compliance Syntax Definition Example getprotobyname Compliance Syntax Definition Example getprotobynumber Compliance Syntax Definition Example getprotoent Compliance Syntax Definition Example getpwent Compliance Syntax Definition Example getpwnam Compliance Syntax Definition Example getpwuid Compliance Syntax Definition Example getservbyname Compliance Syntax Definition Example getservbyport Compliance Syntax Definition Example getservent Compliance Syntax Definition Example getsockname Compliance Syntax Definition   getsockopt Compliance Syntax Definition   glob Compliance Syntax Definition Example gmtime Compliance Syntax Definition Example goto Compliance Syntax Definition Example grep Compliance Syntax Definition Example hex Compliance Syntax Definition Example import Compliance Syntax Definition   index Compliance Syntax Definition Example int Compliance Syntax Definition Example ioctl Compliance Syntax Definition   join Compliance Syntax Definition Example keys Compliance Syntax Definition Example kill Compliance Syntax Definition   last Compliance Syntax Definition Example lc Compliance Syntax Definition Example lcfirst Compliance Syntax Definition Example length Compliance Syntax Definition Example link Compliance Syntax Definition Example listen Compliance Syntax Definition   local Compliance Syntax Definition   localtime Compliance Syntax Definition Example log Compliance Syntax Definition Example lstat Compliance Syntax Definition Example m// Compliance Syntax Definition Example map Compliance Syntax Definition Example mkdir Compliance Syntax Definition Example msgctl Compliance Syntax Definition   msgget Compliance Syntax Definition   msgrcv Compliance Syntax Definition   msgsnd Compliance Syntax Definition   my Compliance Syntax Definition   next Compliance Syntax Definition Example no Compliance Syntax Definition Example oct Compliance Syntax Definition Example open Compliance Syntax Definition Example opendir Compliance Syntax Definition Example ord Compliance Syntax Definition Example pack Compliance Syntax Definition Example package Compliance Syntax Definition   pipe Compliance Syntax Definition   pop Compliance Syntax Definition Example pos Compliance Syntax Definition Example print Compliance Syntax Definition Example printf Compliance Syntax Definition Example push Compliance Syntax Definition Example q/STRING/ Compliance Syntax Definition Example qq/STRING/ Compliance Syntax Definition Example quotemeta Compliance Syntax Definition Example qw/STRING/ Compliance Syntax Definition Example qx/STRING/ Compliance Syntax Definition Example rand Compliance Syntax Definition Example read Compliance Syntax Definition Example readdir Compliance Syntax Definition Example readlink Compliance Syntax Definition   recv Compliance Syntax Definition   redo Compliance Syntax Definition   ref Compliance Syntax Definition Example rename Compliance Syntax Definition Example require Compliance Syntax Definition Example reset Compliance Syntax Definition   return Compliance Syntax Definition Example reverse Compliance Syntax Definition Example rewinddir Compliance Syntax Definition Example rindex Compliance Syntax Definition Example rmdir Compliance Syntax Definition   s/// Compliance Syntax Definition Example ¼Æ­È¸ê®Æscalar Compliance Syntax Definition   seek Compliance Syntax Definition   seekdir Compliance Syntax Definition   select Compliance Syntax Definition Example semctl Compliance Syntax Definition   semget Compliance Syntax Definition   semop Compliance Syntax Definition   send Compliance Syntax Definition   setgrent Compliance Syntax Definition Example sethostent Compliance Syntax Definition Example setnetent Compliance Syntax Definition Example setpgrp Compliance Syntax Definition   setpriority Compliance Syntax Definition Example setprotoent Compliance Syntax Definition Example setpwent Compliance Syntax Definition Example setservent Compliance Syntax Definition Example setsockopt Compliance Syntax Definition   shift Compliance Syntax Definition Example shmctl Compliance Syntax Definition   shmget Compliance Syntax Definition   shmread Compliance Syntax Definition   shmwrite Compliance Syntax Definition   shutdown Compliance Syntax Definition   sin Compliance Syntax Definition Example sleep Compliance Syntax Definition Example socket Compliance Syntax Definition   socketpair Compliance Syntax Definition   sort Compliance Syntax Definition Example splice Compliance Syntax Definition Example split Compliance Syntax Definition Examples sprintf Compliance Syntax Definition Example sqrt Compliance Syntax Definition Example srand Compliance Syntax Definition Example stat Compliance Syntax Definition Example study Compliance Syntax Definition   sub Compliance Syntax Definition   substr Compliance Syntax Definition Example symlink Compliance Syntax Definition Example syscall Compliance Syntax Definition Example sysopen Compliance Syntax Definition   sysread Compliance Syntax Definition   system Compliance Syntax Definition Example syswrite Compliance Syntax Definition   tell Compliance Syntax Definition Example telldir Compliance Syntax Definition Example tie Compliance Syntax Definition Example tied Compliance Syntax Definition   time Compliance Syntax Definition   times Compliance Syntax Definition Example tr/// Compliance Syntax Definition Examples truncate Compliance Syntax Definition   uc Compliance Syntax Definition Example ucfirst Compliance Syntax Definition Example umask Compliance Syntax Definition Example undef Compliance Syntax Definition   unlink Compliance Syntax Definition Example unpack Compliance Syntax Definition   unshift Compliance Syntax Definition Example untie Compliance Syntax Definition   use Compliance Syntax Definition Example utime Compliance Syntax Definition Example values Compliance Syntax Definition Example vec Compliance Syntax Definition Example wait Compliance Syntax Definition   waitpid Compliance Syntax Definition   wantarray Compliance Syntax Definition Example warn Compliance Syntax Definition   write Compliance Syntax Definition   y/// Compliance Syntax Definition   Chapter16  SubroutineDefinition Subroutines TheSimplestFormofSubroutine HowtoReturnValuesfrom Subroutines HowtoPassValuestoSubroutines SubroutineRecursion SubroutinePrototypes IssuesofScopewithmy()andlocal() PerlLibraries CreationofLibraries InvocationofLibraries StandardPerl4.0Library Modules(Perl5.0) StandardModuleList HowtoCreateaSimpleModule ModuleUseandInvocation FromHere AppendixA  Perl¨ú±o¤Î¦w¸Ë HistoryandVersionInformation PerlVersion5.0 AvailabilitybyOS UNIX Amiga AOS Atari LynxOS MS-DOS MVS NetWare Windows95andWindowsNT OS/2 QNX VMS Xenix Linux Installation UNIXInstallation Windows95andWindowsNT MacPerl OS/2 Linux OtherOSes AppendixB  PerlWebReference Perl,Web,andCGI-RelatedUsenets Web-RelatedPerlandCGISites Yahoo Thecgi-lib.plHomePage cgi.pm TheCGICollection HFPMHomePage SelinaSol'sCGIScriptArchive ReachfortheStarsatwww.stars.com CGIScriptstoGo PureAmiga MacPerl PerlforWin32 AnInstantaneous IntroductiontoCGIScriptsandHTMLForms CGIDocumentationbyNCSA Server-SideIncludes SitesContainingGeneralPerl Information BasicPerlDocumentation CPANSites DBI Thegd.pmGraphicsLibrary sgmls.pm AppendixC  What'sOntheCD? UsingtheElectronicBook ReadingtheElectronicBook asanHTMLDocument InstallingtheInternetExplorer Readingthe ElectronicBookasaWindowsHelpFileDocument FindingSampleCode Credits SpecialEditionUsingPerlforWeb Programming Copyright©1996byQue®Corporation. Allrightsreserved.PrintedintheUnitedStatesofAmerica.Nopartofthisbookmay beusedorreproducedinanyformorbyanymeans,orstoredinadatabaseorretrieval system,withoutpriorwrittenpermissionofthepublisherexceptinthecaseofbrief quotationsembodiedincriticalarticlesandreviews.Makingcopiesofanypartofthis bookforanypurposeotherthanyourownpersonaluseisaviolationofUnitedStates copyrightlaws.Forinformation,addressQueCorporation,201W.103rdStreet, Indianapolis,IN,46290.YoumayreachQue'sdirectsaleslinebycalling1-800-428-5331. ISBN:0-7897-0659-8 HTMLconversionby:     M/s.LeafWriters(India)Pvt.Ltd.     Website:http://leaf.stpn.soft.net     e-mail:[email protected] President RolandElgey Publisher JosephB.Wikert PublishingManager FredSlone SeniorTitleManager BryanGambrel EditorialServicesDirector ElizabethKeaffaber ManagingEditor SandyDoell StrategicMarketingManager BarryPruett AcquisitionsEditor AlValvano ProductMarketingManager KimMargolius AssistantProductMarketingManager ChristyM.Miller TechnicalEditors AldenHutchinson JimJagelski SeanChisham TechnicalSupportSpecialist NadeemMuhammed AcquisitionsCoordinator CarmenL.Krikorian SoftwareRelationsCoordinator PattyBrooks EditorialAssistant AndreaDuvall BookDesigner RuthHarvey CoverDesigner DanArmstrong ProductionTeam StephenAdams,DebraBolhuis,JasonCarr,ErinM. Danielson,DanielHarris,JasonHand,DarylKessler,CaseyPrice,KayleneRiemen,Bobbi Satterfield Indexer TimTate AbouttheAuthors DavidHarlan'sdegreeinAmericanHistoryandfiveyearsofexperienceina securitydepartmentatasmalluniversitymaymakehimseemtobeanunlikelyauthorfora high-endprogrammingbook.Butcomputershavealwaysbeenakeypartofhisday-to-day activities.Helearnedprogramming(andwasjustshortofacomputersciencedegree)at theUniversityofPugetSound.Aftergraduation,hestayedonatPugetSoundasassistant directorofsecurityforfiveyearsbeforejoiningCanyonOnlineMediainSeattle,where hehelpeddevelopthecompany'scommercialWebsite.Currently,heisamemberoftheWeb developmentteamatWhiteHorseStudiosinPortland,Oregon. MichealOFoghluisnowalecturerinappliedcomputingandinformationsystemsat WaterfordRegionalTechnicalCollege,Ireland(http://www.rtc-waterford.ie). UntilSeptember1996,heworkedinthecomputerservicesdepartmentofUniversityCollege, Galway,Ireland(http://www.ucg.ie).Hisinterestsinclude NaturalLanguageProcessing,WWWprogramminganddevelopment,Linux,computingusingthe Irishlanguage,andZ39.50.Whennotslavingoverahotcomputer,heissometimesseen nursingaquietpintwhilelisteningtoloudIrishmusicand/ormeanderingthroughthe hillsinnoparticulardirection.Hecanbecontactedatthee-mailaddressofoghlu@indigo.ie. PaulDoylehasseveralyearsofexperienceintheplanning,implementation,and managementofnetworksinmultiprotocol,multivendorenvironments.Hisspecialistareas includeclientconfigurationandservermanagement. ShelleyPowersisanincorporatedindependentcontractorwhohasherowncompany,YASD. SheworksinandoutofPortland,Oregon,andhasworkedwithsomeoftheleading companiesintheNorthwest.ShelleyhasworkedwithUNIX-andWindows-basedclient/server applicationsforseveralyears;nowsheisworkingwithWebapplicationanddevelopment forbothenvironments.ShehaswrittenbooksonPowerBuilder5.0andonJavaScript.YASD's Websiteisathttp://www.yasd.com. MatthewD.Healyperformsavarietyoftasks,rangingfromUNIXsystemadministration anddatabaseadministrationtobuildingWWWfrontendsontopofSybase,Msql,and IllustrarelationaldatabasesattheYaleCenterforMedicalInformatics.Hecontributed toSpecialEditionUsingCGI,alsopublishedbyQueCorporation.Beforejoining YCMI,hewasanengineer,agraduatestudent,ateachingassistant,andaLAN administrator-andalwaysarabidSFfan.Alongtheway,heearnedaBSinengineeringfrom PurdueandaPhDinzoologyfromDuke.He'[email protected],andhishomepage(http://ycmi.med.yale.edu/~healy)always welcomesvisitors.Scientificandtechnicalproseconstitutessomethingofafamilyaffair forhim-hiswifeeditsmedicaljournals,andhisbrotherisatechnicalwriterforalarge softwarecompany. We'dLiketoHearfromYou! Aspartofourcontinuingefforttoproducebooksofthehighestpossiblequality,Que wouldliketohearyourcomments.Tostaycompetitive,wereallywantyou,asa computerbookreaderanduser,toletusknowwhatyoulikeordislikemostaboutthis bookorotherQueproducts. Youcanmailcomments,ideas,orsuggestionsforimprovingfutureeditionstothe addressbelow,orsendusafaxat(317)581-4663.Fortheonline-inclined,Macmillan ComputerPublishinghasaforumonCompuServe(typeGOQUEBOOKSatanyprompt), throughwhichourstaffandauthorsareavailableforquestionsandcomments.Theaddress ofourInternetsiteishttp://www.mcp.com(WorldWideWeb). Inadditiontoexploringourforum,pleasefeelfreetocontactmepersonallyto discussyouropinionsofthisbook:I'm74671,3710onCompuServe,andI'[email protected]. Thanksinadvance-yourcommentswillhelpuscontinuetopublishthebestbooks availableoncomputertopicsintoday'smarket. AlValvano AcquisitionsEditor QueCorporation 201W.103rdStreet Indianapolis,Indiana46290 USA NOTE Althoughwecannotprovidegeneraltechnicalsupport,we'rehappytohelpyouresolve problemsyouencounterrelatedtoourbooks,disks,orotherproducts.Ifyouneedsuch assistance,pleasecontactourTechSupportdepartmentat800-545-5914,ext.3833. ToorderotherQueorMacmillanComputerPublishingbooksorproducts,pleasecallour CustomerServicedepartmentat800-835-3202ext.666