Lamulo la grep limafufuza mufayiloyo, kufunafuna zofananira ndi zomwe zafotokozedwa. Kuti mugwiritse ntchito lembani grep , kenaka ndondomeko yomwe tikufufuzayo ndipo potsiriza dzina la fayilo (kapena mafayilo) omwe tikufufuzamo. Zotsatira zake ndi mizere itatu mufayilo yomwe ili ndi zilembo 'ayi'.
Kodi ndimayika bwanji chingwe china mu Linux?
Kusaka Mapangidwe Ndi grep
- Kuti mufufuze chingwe chamtundu wina mufayilo, gwiritsani ntchito lamulo la grep. …
- grep ndizovuta kwambiri; ndiye kuti, muyenera kufananiza ndi zilembo zazikulu ndi zazing'ono:
- Dziwani kuti grep idalephera pakuyesa koyamba chifukwa palibe zolemba zomwe zidayamba ndi zilembo zazing'ono a.
Kodi ndimasaka bwanji chingwe mu Linux?
Kuzembera ndi chida cha mzere wa Linux / Unix chomwe chimagwiritsidwa ntchito kufufuza mndandanda wa zilembo mufayilo yodziwika. Njira yosakira mawu imatchedwa mawu okhazikika. Ikapeza chofanana, imasindikiza mzere ndi zotsatira zake. Lamulo la grep ndi lothandiza mukasaka mafayilo akulu a log.
Kodi ndimagwiritsa ntchito bwanji grep kuti ndipeze mawu?
Chophweka mwa malamulo awiriwa ndi kugwiritsa ntchito grep's -w njira. Izi zipeza mizere yokhayo yomwe ili ndi mawu omwe mukufuna kukhala mawu athunthu. Thamangani lamulo la "grep -w hub" motsutsana ndi fayilo yomwe mukufuna ndipo mudzangowona mizere yomwe ili ndi mawu oti "hub" ngati liwu lathunthu.
Kodi ndimasaka bwanji mawu enaake mufayilo ku Linux?
Momwe Mungapezere Mawu Odziwika mu Fayilo pa Linux
- grep -Rw '/njira/ku/kufufuza/' -e 'chitsanzo'
- grep -exclude=*.csv -Rw '/path/to/search' -e 'chitsanzo'
- grep -exclude-dir={dir1,dir2,*_old} -Rw'/path/to/search' -e 'chitsanzo'
- pezani . - dzina "*.php" -exec grep "chitsanzo" {};
Kodi lamulo la PS EF ku Linux ndi chiyani?
Lamulo ili ndi amagwiritsidwa ntchito kupeza PID (Process ID, Nambala yapadera ya ndondomekoyi) ya ndondomekoyi. Njira iliyonse idzakhala ndi nambala yapadera yomwe imatchedwa PID ya ndondomekoyi.
Kodi grep mu Linux command ndi chiyani?
Mumagwiritsa ntchito lamulo la grep mkati mwa Linux kapena Unix-based system kuti fufuzani zolemba pamawu omwe atchulidwa kapena zingwe. grep imayimira Padziko Lonse fufuzani Mawu Okhazikika ndikusindikiza.
Kodi ndimagwiritsa ntchito bwanji find mu Linux?
Lamulo lopeza ndi amagwiritsidwa ntchito kufufuza ndipo pezani mndandanda wamafayilo ndi akalozera kutengera momwe mumafotokozera mafayilo omwe akufanana ndi zotsutsana. Pezani lamulo lingagwiritsidwe ntchito m'mikhalidwe yosiyanasiyana monga momwe mungapezere mafayilo ndi zilolezo, ogwiritsa ntchito, magulu, mitundu ya mafayilo, tsiku, kukula, ndi zina zomwe zingatheke.
Kodi ndimayika bwanji chingwe mu fayilo?
Izi ndi zitsanzo zamomwe mungagwiritsire ntchito lamulo la grep:
- Kusaka mufayilo yotchedwa pgm.s pateni yomwe ili ndi zilembo zofananira *, ^, ?, [, ], ...
- Kuti muwonetse mizere yonse mufayilo yotchedwa sort.c yomwe sikugwirizana ndi mtundu wina, lembani zotsatirazi: grep -v bubble sort.c.
Kodi mumapanga bwanji zilembo zapadera?
Kuti mufanane ndi munthu yemwe ali wapadera kwa grep -E, ikani kumbuyo ( ) kutsogolo kwa munthu. Nthawi zambiri zimakhala zosavuta kugwiritsa ntchito grep -F pomwe simukufuna mafananidwe apadera.
Kodi zotsatira za lamulo la ndani?
Kufotokozera: ndani amalamula zotuluka tsatanetsatane wa ogwiritsa ntchito omwe adalowa mudongosolo. Zomwe zimatuluka zikuphatikiza dzina lolowera, dzina la terminal (lomwe adalowamo), tsiku ndi nthawi yolowera ndi zina. 11.
Kodi ndimasaka bwanji zomwe zili mufayilo mu Linux?
Kugwiritsa ntchito grep Lamulo Kuti Mupeze Mafayilo Ndi Zomwe Zili pa Unix kapena Linux
- -i : Musanyalanyaze kusiyana kwa milandu mu PATTERN yonse (match ovomerezeka, VALID, ValID string) ndi mafayilo olowetsa (masamu file. c FILE. c FILE. C filename).
- -R (kapena -r ): Werengani mafayilo onse pansi pa chikwatu chilichonse, mobwerezabwereza.
Kodi ndimapeza bwanji njira ya fayilo mu Linux?
Kuti mupeze njira yonse ya fayilo, ife gwiritsani ntchito readlink command. readlink prints the absolute path of a symbolic link, but as a side-effect, it also prints the absolute path for a relative path.