U tlola mela e 'maloa ea pele joang Unix?
Ke hore, haeba u batla ho tlola mela ea N, u qala mohala oa khatiso N+1. Mohlala: $ tail -n +11 /tmp/myfile </tmp/myfile, ho qala moleng oa 11, kapa ho tlōla mela e 10 ea pele. >
Nka tlola mola ho bash joang?
Ho sebelisa hlooho ho fumana mela ea pele ea molapo, 'me mohatla ho fumana mela ea ho qetela molapong hoa utloahala. Empa haeba u hloka ho tlola mela e 'maloa ea pele ea molapo, joale u e sebelise mohatla “-n +k” syntax. Le ho tlola mela ea ho qetela ea "-n -k" syntax.
U ea joang moleng oa pele ho Unix?
Haeba u se u ntse u le vi, u ka sebelisa taelo ea goto. Ho etsa sena, tobetsa Esc, thaepa nomoro ea mohala, ebe joale tobetsa Shift-g .
Awk NR ke eng?
Ok NR e u fa palo eohle ea lirekoto tse ntseng li sebetsoa kapa nomoro ea mohala. Mohlala o latelang oa awk NR, phapang ea NR e na le nomoro ea mohala, karolong ea END awk NR e u bolella palo eohle ea lirekoto faeleng.
U tlola mola oa pele joang Python?
Letsetsa latelang(file) ho tlola mola oa pele oa faele.
- a_file = bula (“example_file.txt”)
- latelang(a_file)
- bakeng sa mola ho a_file:
- hatisa(line. strip())
- a_faele.
Bash set ke eng?
set ke khetla e hahiloeng, e sebelisetsoang ho seta le ho seta likhetho tsa likhetla le li-parameter tsa maemo. Ntle le likhang, sete se tla hatisa likhetla tsohle tse feto-fetohang (ka bobeli li feto-fetoha tsa tikoloho le tse fapaneng lenaneong la hajoale) tse hlophisitsoeng sebakeng sa hajoale. U ka boela ua bala litokomane tsa bash.
Re fumana mela e 5 ea ho qetela ea faele e bitsoang file txt joang Linux?
Ho sheba mela e 'maloa ea ho qetela ea faele, sebelisa taelo ea mohatla. mohatla o sebetsa ka tsela e tšoanang le ea hlooho: thaepa mohatla le filename ho bona mela e 10 ea ho qetela ea faele eo, kapa thaepa mohatla -number filename ho bona mela ea ho qetela ea faele. Leka ho sebelisa mohatla ho sheba mela e mehlano ea ho qetela ea .
U bala faele joang ho Unix?
Sebelisa mola oa taelo ho ea ho Desktop, ebe joale thaepa katse myFile. txt . Sena se tla hatisa litaba tsa faele moleng oa hau oa taelo. Ona ke mohopolo o ts'oanang le oa ho sebelisa GUI ho penya habeli faeleng ea mongolo ho bona litaba tsa eona.