Ubuzile: Ngidala kanjani ifayela le-Perl ku-Linux?

Ngisenza kanjani iskripthi se-Perl ku-Linux?

pl ku-Linux noma ku-Unix OS.

1. Bhala uhlelo lwe-Hello World Perl. Dala uhlelo lwe-helloworld.pl usebenzisa isihleli se-Vim njengoba kukhonjisiwe ngezansi. …
2. Qiniseka ukuthi i-Perl Interpreter ifakiwe kusistimu yakho. Qiniseka ukuthi utolika we-perl ufakiwe kusistimu yakho njengoba kukhonjisiwe ngezansi. …
3. Yenza uhlelo lwe-Perl. …
4. Ukubhala nokusebenzisa i-Perl One liner.

25 isiqephu. 2009 g.

Yimuphi umyalo we-perl ku-Linux?

I-Perl ifakwe ngokuzenzakalela ngokusatshalaliswa okuningi kwe-GNU/Linux. Ngokuvamile, umuntu ucela u-Perl ngokusebenzisa isihleli sombhalo ukuze abhale ifayela bese elidlulisela kuhlelo lwe-perl. Imibhalo ye-Perl ingaqanjwa noma yini kodwa iphetha ngokuthi “. pl”.

Ngilubhala kanjani uhlelo lwe-Perl?

Windows

1. Okokuqala, vula umhleli wombhalo njenge-Notepad noma i-Notepad++.
2. Bhala ikhodi kusihleli sombhalo bese ulondoloza ifayela ngesandiso se-.pl.
3. Vula umugqa womyalo bese Qalisa umyalo u-perl -v ukuze uhlole ukuthi inguqulo yakamuva ye-Perl yakho ifakwe kahle noma cha.
4. Ukuhlanganisa uhlobo lwekhodi perl HelloWorld.pl.

Februwari 11 2019

Ngiwusebenzisa kanjani umyalo we-perl ku-Linux?

Uyenza kanjani imiyalo ye-Unix/shell kusikripthi sePerl?

1. exec”” syntax: exec “command”; …
2. system() syntax: system("command"); …
3. Ama-backticks “ noma qx// syntax: `command`; …
4. IPC::Vula2. i-syntax: $output = open2(*CHLD_OUT, *CHLD_IN, 'command arg1 arg2' ); …
5. IPC::Vula3.

Ngisisebenzisa kanjani iskripthi se-Perl ku-Unix?

Izimpendulo ze-3

1. Thola indlela yomhumushi/abenzi bomsebenzi. Kulokhu i-/usr/bin/perl noma/usr/bin/env perl.
2. Yengeze emugqeni wokuqala wefayela njengokuthi #!/usr/bin/perl .
3. Nikeza ukwenza imvume kufayela elithi chmod +x example.pl.

UJan 26. 2012

Ngazi kanjani ukuthi i-Perl ifakiwe?

Izindlela ezi-3 ezisheshayo zokuthola inombolo yenguqulo yemojula ye-Perl efakiwe kutheminali

1. Sebenzisa i-CPAN nefulegi -D. cpan -D Moose. …
2. Sebenzisa i-Perl-liner eyodwa ukuze ulayishe futhi uphrinte inombolo yenguqulo yemojuli. …
3. Sebenzisa i-Perldoc enefulegi -m ukuze ulayishe ikhodi yomthombo yemojuli futhi ukhiphe inombolo yenguqulo.

24 Mashi 2013 g.

Ngilisebenzisa kanjani ifayela le-Perl?

1. Bhala futhi Qalisa Iskripthi Sakho Sokuqala. Okudingayo ukuze ubhale izinhlelo ze-Perl umhleli wombhalo. …
2. Bhala Isikripthi Sakho. Dala ifayela lombhalo elisha bese uthayipha okulandelayo njengoba kukhonjisiwe: #!usr/bin/perl. …
3. Qalisa Iskripthi Sakho. Emuva kumyalo womyalo, shintshela kumkhombandlela lapho ulondoloze khona umbhalo we-Perl.

Februwari 4 2019

Ngiyisebenzisa kanjani i-Linux?

Imiyalo ye-Linux

1. pwd - Uma uqala ukuvula i-terminal, usuke usohlwini lwasekhaya lomsebenzisi wakho. …
2. ls - Sebenzisa umyalo othi "ls" ukuze wazi ukuthi yimaphi amafayela kuhla lwemibhalo okulo. …
3. cd - Sebenzisa umyalo "cd" ukuya kuhla lwemibhalo. …
4. mkdir & rmdir — Sebenzisa umyalo we-mkdir lapho udinga ukwakha ifolda noma uhla lwemibhalo.

21 Mashi 2018 g.

Iyini ikhodi ye-Perl?

I-Perl iwumndeni wezilimi ezimbili ezisezingeni eliphezulu, ezihloswe ngokujwayelekile, ezihunyushwayo, neziguqukayo. … I-Perl yasungulwa ngu-Larry Wall ngo-1987 njengolimi lokubhala lwe-Unix lwenhloso evamile ukwenza ukucubungula umbiko kube lula. Kusukela lapho, iye yaba nezinguquko eziningi nezibuyekezo.

Ingabe i-Perl Dead 2020?

I-Perl iseyisinqumo esihle kakhulu sohlelo lwesimanje. I-CPAN (inqolobane enkulu yemitapo yolwazi ye-Perl namamojula) iyaphila, futhi iningi lamamojula awusizo ayaqhubeka nokugcinwa. Izincwadi ezifana ne-Modern Perl zinikeza isitayela ukugcina i-Perl yesimanje ngaphandle kokuba yisisulu samaphutha esikhathi esidlule.

I-Perl isetshenziselwa ini kangcono?

I-#1 Perl ifaneleka kakhulu Ukukhohlisa Umbhalo

Eqinisweni, i-Perl ibiwulimi lwe-goto lwe-regex, i-HTML parsing, i-JSON manipulation, njll cishe amashumi amathathu eminyaka. Kalula nje, alukho olunye ulimi lokuhlela olunikeza izindlela ezinamandla kakhulu noma ezisebenziseka kalula zokuguqula umbhalo.

Ulimi lwesiPerl lusetshenziselwa ini?

I-Perl iwulimi lokuhlela lwenhloso evamile olwakhelwe ukukhohliswa kombhalo futhi manje lusetshenziselwa imisebenzi eminingi ehlanganisa ukuphathwa kwesistimu, ukuthuthukiswa kwewebhu, ukuhlela inethiwekhi, ukuthuthukiswa kwe-GUI, nokuningi.

Ngiwusebenzisa kanjani umyalo we-perl?

Kusuka ku-Perl HowTo, izindlela ezivame kakhulu zokwenza imiyalo yangaphandle evela ku-Perl yilezi:

1. my $files = `ls -la` — ithwebula umphumela womyalo kumafayili e-$.
2. system “touch ~/foo” — uma ungafuni ukuthatha okuphumayo komyalo.
3. sebenzisa “vim ~/foo” — uma ungafuni ukubuyela kusikripthi ngemva kokukhipha umyalo.

UJan 16. 2014

Ngiphrinta kanjani ku-Perl?

Ukusebenzisa i-Perl print() umsebenzi

1. Phrinta iyunithi yezinhlamvu eyodwa. #!/usr/bin/perl sebenzisa ngokuqinile; sebenzisa izexwayiso; phrinta "Sawubona lapho"; …
2. Phrinta izintambo ezimbili. #!/usr/bin/perl sebenzisa ngokuqinile; sebenzisa izexwayiso; phrinta “Sawubona lapho – “, “lesi isibonelo eside”; …
3. Ukuphrinta futhi kuhlola isibalo. …
4. Shicilela ifayela. …
5. Okuningi.

Liyini igobolondo lePerl?

I-Perl iwulimi oluhlukile kuyilapho umbhalo we-UNIX/LINUX Shell wenziwa ukuze ukhiphe imiyalo kugobolondo futhi uqondene neplatifomu. I-Perl ayiyona ingxenyekazi ethile futhi isebenza kuzo zonke izinkundla uma sifaka imvelo. Ukubhalwa kwe-UNIX/LINUX kusebenza kuphela kugobolondo le-UNIX/LINUX.