Pehea wau e hōʻike ai i kahi laina kikoʻī i kahi faila ma Linux?

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Pehea wau e ʻike ai i kahi laina kikoʻī ma Unix?

Inā ʻoe i loko o vi, hiki iā ʻoe ke hoʻohana i ke kauoha goto. No ka hana ʻana i kēia, kaomi iā Esc, e kākau i ka helu laina, a laila kaomi Shift-g . Inā ʻoe e paʻi iā Esc a laila Shift-g me ka ʻole e kuhikuhi i kahi helu laina, e lawe iā ʻoe i ka laina hope o ka faila.

How do you get a specific line from a file in Unix using SED?

Linux Sed command allows you to print only specific lines based on the line number or pattern matches. “p” is a command for printing the data from the pattern buffer. To suppress automatic printing of pattern space use -n command with sed.

How do I view a specific word in a file in Linux?

Ke hoʻohana nei i ka grep e ʻimi i kahi huaʻōlelo kikoʻī i kahi faila

grep -Rw '/path/to/search/' -e 'pahu'
grep –exclude=*.csv -Rw '/path/to/search' -e 'pattern'
grep –exclude-dir={dir1,dir2,*_old} -Rw '/path/to/search' -e 'pattern'
loaa . – inoa “*.php” -exec grep “pahu” {} ;

Pehea ʻoe e hōʻike ai i ka laina 10th o kahi faila ma Unix?

Ma lalo iho nei ʻekolu mau ala maikaʻi e loaʻa ai ka laina nth o kahi faila ma Linux.

poo / huelo. ʻO ka hoʻohana wale ʻana i ka hui ʻana o nā kauoha poʻo a me ka huelo ʻo ia paha ke ala maʻalahi. …
sed. Aia kekahi mau ala maikaʻi e hana ai i kēia me ka sed. …
awk. Loaʻa i ka awk kahi NR hoʻololi i hoʻopaʻa ʻia e mālama i nā helu lālani file/stream.

Pehea wau e ʻike ai i kahi laina faila ma Linux?

Grep he mea hana laina kauoha Linux / Unix i hoʻohana ʻia no ka ʻimi ʻana i kahi kaula o nā huaʻōlelo i loko o kahi faila i kuhikuhi ʻia. Kapa ʻia ke ʻano huli kikokikona he ʻōlelo maʻamau. Ke loaʻa iā ia kahi pāʻani, paʻi ʻo ia i ka laina me ka hopena. He mea maʻalahi ke kauoha grep i ka wā e ʻimi ai i nā faila log nui.

Pehea wau e hōʻike ai i ka laina mua o kahi faila ma Linux?

Kākau i kēia kauoha poʻo e hōʻike i nā laina 10 mua o kahi faila i kapa ʻia ʻo "bar.txt":

poʻo -10 bar.txt.
poʻo -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 a paʻi ' /etc/passwd.
perl -ne'1..20 a paʻi ' /etc/passwd.

Pehea wau e unuhi ai i kahi laina kikoʻī mai kahi faila ma Unix?

No ka unuhi ʻana i nā laina laina, e ʻōlelo i nā laina 2 a i 4, hiki iā ʻoe ke hoʻokō i kekahi o kēia mau mea:

$ sed -n 2,4p kekahi waihona. txt.
$ sed '2,4! d' somefile. txt.

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.

Pehea wau e kiʻi ai i kahi faila ma Linux?

Pehea e hoʻohana ai i ke kauoha grep ma Linux

ʻO Grep Command Syntax: grep [nā koho] PATTERN [FILE…] ...
Nā laʻana o ka hoʻohana 'grep'
grep foo /file/inoa. …
grep -i "foo" / faila / inoa. …
grep 'hewa 123' /file/inoa. …
grep -r "192.168.1.5" /etc/ …
grep -w "foo" / faila / inoa. …
egrep -w 'huaʻōlelo1|huaʻōlelo2' /file/inoa.

ʻO wai ke kauoha i hoʻohana ʻia e hōʻike i ka ʻike o ka faila?

Hiki iāʻoe ke hoʻohana ke kauoha popoki e hōʻike i nā mea i loko o hoʻokahi a ʻoi aku paha nā faila ma kāu pale. ʻO ka hoʻohui ʻana i ke kauoha cat me ke kauoha pg hiki iā ʻoe ke heluhelu i nā mea o kahi faila i hoʻokahi pale piha i ka manawa. Hiki iā ʻoe ke hōʻike i nā ʻike o nā faila ma o ka hoʻohana ʻana i ka hoʻokomo a me ka hoʻopuka hou ʻana.

He aha ke kauoha Huli ma Linux?

ʻO ka Linux loaʻa i ke kauoha ʻo ia kekahi o ka mea nui a hoʻohana pinepine ʻia i nā ʻōnaehana kauoha-like ma Unix-like operating system. Hoʻohana ʻia ke kauoha ʻimi e ʻimi a huli i ka papa inoa o nā faila a me nā papa kuhikuhi e pili ana i nā kūlana āu i kuhikuhi ai no nā faila e kūlike i nā manaʻo.

How do I find the pattern of a file in Linux?

ʻO ke kauoha grep can search for a string in groups of files. When it finds a pattern that matches in more than one file, it prints the name of the file, followed by a colon, then the line matching the pattern.

Pehea wau e hele ai i kahi laina ʻelua ma Linux?

3 Pane. Hōʻike ka huelo i ka laina hope o ka puka poʻo a ʻo ka laina hope o ka puka poʻo ka laina ʻelua o ka faila. PS: "He aha ka hewa o koʻu 'poʻo | huelo'" kauoha – shelltel pololei.

Pehea ʻoe e ʻike ai i ka huaʻōlelo nth o kahi laina ma Unix?

ʻO nā mea a pau āu e hana ai e kiʻi i ka huaʻōlelo n-th mai ka laina e hoʻopuka i kēia kauoha:ʻoki –f -d' ”-d' hoʻololi haʻi [ʻoki] e pili ana i ka mea hoʻokaʻawale (a i ʻole ka mea hoʻokaʻawale) i loko o ka faila, ʻo ia ka hakahaka ' ' ma kēia hihia. Inā he koma ka mea hoʻokaʻawale, hiki iā mākou ke kākau -d',' a laila.