How do I read a specific line in Unix?
Uma usuvele uku-vi, ungasebenzisa umyalo we-goto. Ukuze wenze lokhu, cindezela u-Esc , thayipha inombolo yomugqa, bese cindezela u-Shift-g . Uma ucindezela u-Esc bese u-Shift-g ngaphandle kokucacisa inombolo yomugqa, kuzokuyisa kulayini wokugcina efayelini.
How do I read a specific line in a file in Linux?
Ungabonisa kanjani Imigqa Eqondile Yefayela ku-Linux Command Line
- Khombisa imigqa ethile usebenzisa imiyalo yekhanda nomsila. Phrinta umugqa othize owodwa. Phrinta uhla oluthile lwemigqa.
- Sebenzisa i-SED ukuze ubonise imigqa ethile.
- Sebenzisa i-AWK ukuze uphrinte imigqa ethile efayeleni.
How do you go to a specific line in a file?
How to go to a particular line in a file. When you press [Esc] key and then [Shift-g] without specifying a line number, vim will take you to the last line in the file.
Ngiwucinga kanjani umugqa othile ku-Linux?
Ukuze wenze lokhu, iya ku- Hlela -> Izintandokazi bese ubeka uphawu ebhokisini okusho ukuthi "Bonisa izinombolo zomugqa." Ungakwazi futhi ukugxumela enombolweni ethile yomugqa ngokusebenzisa u-Ctrl + I.
Uwubonisa kanjani umugqa we-nth ku-Unix?
Ngezansi kunezindlela ezintathu ezinhle zokuthola umugqa we-nth wefayela ku-Linux.
- ikhanda / umsila. Ukusebenzisa nje inhlanganisela yemiyalo yekhanda nomsila cishe kuyindlela elula kakhulu. …
- sed. Kunezindlela ezimbalwa ezinhle zokwenza lokhu nge-sed. …
- awu. I-awk ine-NR eyakhelwe ngaphakathi egcina umkhondo wezinombolo zemigqa yefayela/yokusakaza.
Uwuhlanganisa kanjani umugqa othize?
Inketho ye -n ( noma -line-number ) itshela u-grep ukuthi abonise inombolo yomugqa wemigqa equkethe iyunithi yezinhlamvu efana nephethini. Uma le nketho isetshenziswa, i-grep iphrinta okufanayo kokuphumayo okujwayelekile okufakwe kuqala ngenombolo yomugqa. Umphumela ongezansi usikhombisa ukuthi okufanayo kutholakala kulayini 10423 no-10424.
Ngiyibona kanjani imigqa yokugcina eyi-10 ku-Linux?
ikhanda -15 /etc/passwd
Ukuze ubheke imigqa embalwa yokugcina yefayela, sebenzisa umyalo womsila. umsila usebenza ngendlela efanayo neyekhanda: thayipha umsila kanye negama lefayela ukuze ubone imigqa yokugcina eyi-10 yalelo fayela, noma thayipha igama lefayela elithi tail -number ukuze ubone imigqa yenombolo yokugcina yefayela.
Ngingena kanjani emugqeni wesibili ku-Linux?
3 Izimpendulo. umsila ubonisa umugqa wokugcina wokuphuma kwekhanda futhi umugqa wokugcina wokuphuma kwekhanda umugqa wesibili wefayela. PS: Maqondana nokuthi "yini engalungile 'ngekhanda|msila' wami" umyalo - shelltel kulungile.
Kuyini ukusetshenziswa kwe-awk ku-Linux?
I-Awk iyinsiza eyenza umhleli akwazi ukubhala izinhlelo ezincane kodwa eziphumelelayo ngendlela yezitatimende ezichaza amaphethini ombhalo okufanele aseshwe kulayini ngamunye wedokhumenti kanye nesenzo okufanele sithathwe lapho okufanayo kutholakala ngaphakathi umugqa. I-Awk isetshenziswa kakhulu ukuskena iphethini nokucubungula.
Ngikopisha futhi nginamathisele kanjani umugqa ku-Vim?
Ungakopisha futhi unamathisele kanjani umugqa ku-Vim?
- Qiniseka ukuthi ukumodi evamile. Cindezela u-Esc ukuze uqiniseke. Bese ukopisha wonke umugqa ngokucindezela u-yy (ulwazi olwengeziwe :help yy ). …
- Namathisela umugqa ngokucindezela u-p. Lokho kuzobeka ulayini oyi-yanked khona kanye ngaphansi kwekhesa yakho (kulayini olandelayo).