Basic Perl Tranining.pdf

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1、Forinternaluseonly!TheBasicPerlTrainingStartsHere:-)¢Perlisageneral-purposeprogramminglanguageandaninterpreterforthatlanguage.–Perl'ssyntaxissimilartoCsyntax.ButPerlalsohasfeaturesthatthePerldeveloper(s)likedintoolslikeAWK,sed,Unixshells,andvariousprogramm

2、inglanguages.¢Perlisalsoacommunitythatmaintainsalargecollectionofthird-partymodulesathttp://www.cpan.org/.RolfLochbühlerIFCXMPPDWangGuoShengIFCXITDCXi'anBasicPerlTraining2005-02-23Page1Forinternaluseonly!HowtoRunaPerlScript¢Option1¢Option2–Writeyourscript–

3、Writeyourscript–Putthisintothefirstline–LoadtheproperPerlmoduleofyourscriptmoduleloadperl#!/path/to/perl–Runyourscript–MakeyourscriptexecutableperlSCRIPTchmod+xSCRIPT–RunyourscriptRolfLochbühlerIFCXMPPD./SCRIPTWangGuoShengIFCXITDCXi'anBasicPerlTraining2005

4、-02-23Page2Forinternaluseonly!ASimplePerlScriptQuickanddirty:#!/path/to/your/perl/interpreter#Thisisacomment.print("HelloWorld!");Safer:#!/path/to/your/perl/interpreter#Thisisacomment.(andrecommended!)usewarnings;#Oruse-winfirstline.usestrict;#Noalternat

5、iveoption.print("HelloWorld!");RolfLochbühlerIFCXMPPDWangGuoShengexit(0);IFCXITDCXi'anBasicPerlTraining2005-02-23Page3PerlInstallationsinMPDomain¢AtMPyouarerecommendedtouseoneofthefollowingPerlinstallations,sincethisguaranteesthatthesamePerlrevisioniscal

6、led,andthesamesetofmodulesisavailableonboth,SunOSandLinux.–Perlinterpreter:#!/opt/perl/5.6.1-32bit/bin/perl–Documentation:moduleloadperl/5.6.1-32bit(or:moduleloadperl)perldocperl–Perlinterpreter:#!/opt/perl/5.8.2-32bit/bin/perl–Documentation:moduleloadperl

7、/5.8.2-32bitperldocperlRolfLochbühlerIFCXMPPDWangGuoShengIFCXITDCXi'anBasicPerlTraining2005-02-23Page4PerlInstallationsinURANIADomain¢IntheUraniadomain(thatis,atnon-MP),thefollowingPerlinstallationsaraavailable:–Perlinterpreter:#!/opt/perl_5.6.1/bin/perl←d

8、efault–Documentation:moduleloadperl/5.6.1(or:moduleloadperl)perldocperl–Perlinterpreter:#!/opt/perl_5.8.5/bin/perl–Documentation:moduleloadperl/5.8.5perldocperlRolfLochbühlerIFCXMPPDWangGuoShengIFCXITDCXi'anB