E faʻafefea ona ou vaʻai i laina mulimuli 10 o se faila i Linux?
Ina ia vaʻai i nai laina mulimuli o se faila, faʻaoga le poloaiga i'u. si'usi'u e galue i le auala lava e tasi e pei o le ulu: fa'aigoa si'usi'u ma le igoa faila e va'ai ai laina mulimuli e 10 o lena faila, po'o le fa'ailoga tail -numera igoa faila e va'ai ai laina numera mulimuli o le faila. Taumafai e fa'aoga le si'usi'u e va'ai i laina mulimuli e lima o lau .
How do I grep next 10 lines?
E mafai ona e faaaogaina le -B and -A to print lines before and after the match. Will print the 10 lines before the match, including the matching line itself. And if you need to print 10 lines of leading and trailing output context. -A num –after-context=num Print num lines of trailing context after matching lines.
E faʻafefea ona ou aveese laina mulimuli 10 i Linux?
Aveese laina N mulimuli o se faila i Linux
- awk.
- ulu.
- sed
- tac.
- wc
E faʻafefea ona ou faitauina laina muamua 10 o se faila i Linux?
Fa'aigoa le fa'atonuga ulu e fa'aalia ai laina muamua e 10 o se faila e ta'ua "bar.txt":
- ulu -10 bar.txt.
- ulu -20 bar.txt.
- sed -n 1,10p /etc/group.
- sed -n 1,20p /etc/group.
- awk 'FNR <= 10' /etc/passwd.
- awk 'FNR <= 20' /etc/passwd.
- perl -ne'1..10 ma lolomi' /etc/passwd.
- perl -ne'1..20 ma lolomi' /etc/passwd.
E faʻafefea ona ou lisiina faila muamua 10 i Linux?
le O Le Faʻatonuga e iai lava filifiliga mo lena mea. Ina ia lisiina faila i ni nai laina e mafai ai, e mafai ona e faʻaogaina -format=comma e vavae ese ai igoa faila ma koma e pei o lenei poloaiga: $ ls -format=koma 1, 10, 11, 12, 124, 13, 14, 15, 16pgs-fa'afanua.
How do I show grep lines?
To also show you the lines before your matches, you can add -B to your grep. The -B 4 tells grep to also show the 4 lines before the match. Alternatively, to show the log lines that match after the keyword, use the -A parameter. In this example, it will tell grep to also show the 2 lines after the match.
E faʻafefea ona e faʻaogaina ni nai laina ile Unix?
E te fa'aali laina fa'asinomaga e ala ile fa'aoga -C filifiliga. E mafai ona e faʻaogaina le filifiliga -A (pe a uma) ma -B (muamua) i lau grep command.
How do I remove the first 10 lines in UNIX?
Faʻafefea ona galue:
- -i filifiliga fa'asa'o le faila lava ia. E mafai foi ona e aveese lena filifiliga ma toe tuusaʻo le gaioiga i se faila fou poʻo se isi poloaiga pe a e manaʻo ai.
- 1d tape le laina muamua ( 1 e na o le galue i luga o le laina muamua, d e tape ai)
- $d tapeina le laina mulimuli ($ na'o le galue i le laina mulimuli, d e tape ai)
How do you remove the last 3 lines in UNIX?
E fai si taamilomilo, ae ou te manatu e faigofie ona mulimuli.
- Faitau i luga le numera o laina i le faila autu.
- Toese le numera o laina e te manaʻo e aveese mai le faitau.
- Lolomi i fafo le numera o laina e te manaʻo e teu ma teu i se faila temp.
- Sui le faila autu ile faila temp.
- Aveese le faila temp.
How do you remove multiple lines in UNIX?
Aveese laina e tele
- Oomi le ki Esc e alu i le tulaga masani.
- Tuu le pupuni i luga o le laina muamua e te manaʻo e tape.
- Tusa 5dd ma kiliki Enter e tape laina e lima e sosoo ai.
E faʻafefea ona ou faitauina le numera o laina i se faila i Linux?
Ole auala pito sili ona faigofie e faitau ai le numera o laina, upu, ma mataitusi ile faila faila ole fa'aoga le poloaiga Linux "wc" i le laina. O le fa'atonuga "wc" o lona uiga o le "faitau upu" ma fa'atasi ai ma fa'ailoga eseese e mafai ona fa'aogaina e se tasi e faitau ai le numera o laina, upu, ma mataitusi i totonu o se faila faila.
E faʻafefea ona ou mauaina Top 10 faila i Linux?
Poloaiga Ina ia Maua le Top 10 Faʻamatalaga Tele i le Linux
- o le filifiliga -h filifiliga: faʻaalia le tele o faila i le faʻavasegaina o tagata, i Kilobytes, Megabytes ma Gigabytes.
- o le poloaiga -s filifiliga: Faʻaalia le aofaiga mo taʻitaʻaiga taʻitasi.
- du command -x filifiliga : Fa'ase'e fa'atonuga. …
- Filifiliga o le pule -r filifiliga: Suʻe le taunuʻuga o faʻatusatusaga.
E fa'afefea ona e faitauina se faila ile Unix?
Faʻafefea ona faitau se faila i luga ole laiga ile Bash. O le faila faila ($input) o le igoa lea o le faila e te manaʻomia e faʻaaoga e le faʻatonuga faitau. O le fa'atonuga faitau e faitau le faila i lea laina ma lea laina, tu'u laina ta'itasi i le $line bash shell variable. A faitau loa laina uma mai le faila o le a taofi le bash while loop.