Me pehea taku whakahaere i te tuhinga perl?
i te tihi o to tuhinga perl, tohuhia te tuhinga hei whakahaere me te whakahau UNIX chmod, ka mahia te kaupapa perl ma te te pato noa i tona ingoa ki te tohu UNIX.
He aha te whakahau perl i Unix?
Ko Perl he reo tuhi, ka whakahiatohia ia wa i mua i te rere. E mohio ana taua unix he tuhinga perl me whai pane e whai ake nei i te rarangi runga o ia tuhinga perl: #!/usr/bin/perl me tika te ara ki te perl me te raina kia kaua e 32 nga tohu.
Me pehea taku whakahaere i tetahi whakahau perl i roto i te tuhinga anga?
Ko te rarangi tuatahi e korero ana ki te punaha he anga (/bin/sh) tenei. Ko te rarangi e whai ake nei ka korero ki te anga kia mahia te whakahau perl me nga whiringa –x me –S. Ko te taurangi $0 te ingoa o te papatono me te ${1+”$@”} he aho makutu e tuku i nga tohenga rarangi whakahau mai i te anga ki te whakahau perl.
He aha te Perl i Linux?
Ko Perl he reo hötaka ka taea te whakamahi ki te mahi i nga mahi ka uaua, ka uaua ranei i runga i te rarangi whakahau. Kei te whakauruhia a Perl ma te taunoa me te nuinga o nga tohatoha GNU/Linux. I te nuinga o te wa, ka tono tetahi ki a Perl ma te whakamahi i te ētita tuhinga hei tuhi i tetahi konae ka tukuna atu ki te kaupapa perl.
Me pehea taku hanga i tetahi konae Perl?
Hei waihanga i tetahi konae ki Perl, ka whakamahi ano koe tuwhera(). Ko te rerekee ko te mea me whakamuahia e koe te ingoa o te konae me te > ahua kia whakatuwhera a Perl i te konae hei tuhi. Ko nga konae me te ingoa ka tukuna e koe hei whakatuwhera() ka tuhiruatia, mena ka tohua e koe >>, ka whakatuwhera i tetahi konae hei taapiri.
Me pehea taku panui i tetahi konae kupu i Perl?
Perl Pānui Kōnae
- Tuatahi, i whakamahia e matou te mahi tuwhera() hei whakatuwhera i tetahi konae hei panui.
- Tuarua, ko te wetereo while() he rite ki while(defined($_ = ) . Ka panuihia e matou he raina mai i tetahi konae ka tautapa ki te taurangi motuhake $_ . …
- Tuatoru, ka whakaatuhia e matou ia rarangi o te konae ma te tuku i te taurangi $_ ki te mahi taa.
Me pehea taku tuhi i tetahi tuhinga Perl?
tā() kaiwhakahaere -
Ka whakamahia te kaiwhakahaere tā i Perl ki te tā i ngā uara o ngā kīanga i roto i te Rārangi ka tukuna ki a ia hei tohenga. Ka tāngia e te kaiwhakahaere tā ngā mea katoa ka tukuna ki a ia hei tautohe ahakoa he aho, he tau, he taurangi, he aha ranei. Ko nga korukī-rua("") ka whakamahia hei kaiwehe mo tenei kaiwhakahaere.
He rite a Python ki a Perl?
Ko Perl he reo hötaka taumata teitei he mämä ake te ako ina whakaritea ki te Python. nānati he pakari ake, he tauineine, he pumau ina whakaritea ki a Perl. Ahakoa ka raru pea te waehere Perl, e whakaatu ana i nga huarahi maha hei whakatutuki i te kaupapa kotahi, he ma, he maamaa hoki a Python.
He aha te ahua o Perl?
Perl, i kiia i etahi wa ka tu mo "te tangohanga mahi me te reo ripoata,” i awehia e nga reo hotaka o naianei—pēnei i te C, BASIC, me te AWK—engari i whakaatu ano i te ahuatanga o te reo o Wall i roto i tana whakamahinga nui o nga kupu Ingarihi noa. …
Me pehea taku whakatuwhera i te anga ki Perl?
Whakahaerehia te "perl" whakahau me te tuhinga Perl kei roto i te rarangi whakahau. Hei tauira, tomohia te rarangi whakahau e whai ake nei ki te matapihi anga: /home/herong$ perl -e “print 'Kia ora te ao! ';” Kia ora te ao!