How do I view lines in Linux?
E kaomi i Esc kī if you are currently in insert or append mode. Press : (the colon). The cursor should reappear at the lower left corner of the screen next to a : prompt. A column of sequential line numbers will then appear at the left side of the screen.
Pehea ʻoe e ʻike ai i kahi laina ma Unix?
Pehea e helu ai i nā laina ma kahi faila ma UNIX/Linux
- ʻO ke kauoha "wc -l" i ka wā e holo ai ma kēia faila, hoʻopuka i ka helu laina me ka inoa file. $ wc -l faila01.txt 5 waihona01.txt.
- No ka haʻalele i ka inoa faila mai ka hopena, e hoʻohana: $ wc -l <file01.txt 5.
- Hiki iā ʻoe ke hāʻawi i ka hoʻopuka kauoha i ke kauoha wc me ka hoʻohana ʻana i ka paipu. O kahi laʻana:
Pehea wau e ʻike ai i kahi laina faila?
ʻO ka mea hana wc ka "hua'ōlelo counter" ma UNIX a me UNIX-like nā ʻōnaehana hana, akā hiki iā ʻoe ke hoʻohana iā ia e helu i nā laina i kahi faila ma hoʻohui i ke koho -l. wc -l foo e helu i ka helu o nā laina ma ka foo.
Pehea ʻoe e helu ai i nā laina ma Linux?
No ka ho'ā ʻana i ka helu laina, e hoʻonoho i ka hae helu:
- E kaomi i ke kī Esc e hoʻololi i ke ʻano kauoha.
- E kaomi i ka : (colon) a e neʻe ka piko ma ka ʻaoʻao hema hema o ka pale. E kikokiko i ka helu hoʻonohonoho a i ʻole e hoʻonoho i ka nu a kaomi iā Enter. : hoonoho helu.
- E hōʻike ʻia nā helu laina ma ka ʻaoʻao hema o ka pale:
How do I view a line of a file in Linux?
Kākau i kahi palapala bash e paʻi i kahi laina mai kahi faila
- awk : $>awk '{if(NR==LINE_NUMBER) pa'i $0}' file.txt.
- sed : $>sed -n LINE_NUMBERp faila.txt.
- poo : $>poo -n LINE_NUMBER waihona.txt | huelo -n + LINE_NUMBER Eia ʻo LINE_NUMBER, ka helu laina āu e makemake ai e paʻi. Nā Laʻana: Paʻi i kahi laina mai hoʻokahi faila.
Pehea wau e ʻike ai i nā laina 10 hope loa ma Linux?
poʻo -15 /etc/passwd
E nānā i nā laina hope loa o kahi faila, e hoʻohana i ke kauoha huelo. E hana like ka huelo me ke poʻo: ʻano huelo a me ka inoa faila e ʻike i nā laina hope loa o kēlā faila, a i ʻole e paʻi i ka huelo -number filename e ʻike i nā laina helu hope o ka faila.
He aha ka hoʻohana ʻana o awk ma Linux?
ʻO Awk kahi mea pono e hiki ai i ka mea papahana ke kākau i nā polokalamu liʻiliʻi akā maikaʻi ma ke ʻano o nā ʻōlelo e wehewehe i nā ʻano kikokikona e ʻimi ʻia i kēlā me kēia laina o kahi palapala a me ka hana e hana ʻia ke loaʻa kahi pāʻani i loko o kahi. laina. Hoʻohana nui ʻia ʻo Awk no ka nānā ʻana a me ka hana ʻana.
He aha ke koho i hoʻohana ʻia no ka helu ʻana i ka helu o nā laina i loko o kahi faila?
ʻO kahi koho i hoʻohana ʻia no ka helu ʻana i ka helu o nā laina ma kahi faila wale nō. Wehewehe: –l koho ke hoʻohana ʻia me ke kauoha wc e hōʻike wale i ka helu o nā laina i ka faila i kuhikuhi ʻia.