Gawk muab cov yam ntxwv ntxiv pom nyob rau hauv tam sim no version ntawm Brian Kernighan's awk thiab ib tug xov tooj ntawm GNU tshwj xeeb txuas ntxiv. … Raws li kev ceev, siv gawk li "plain" awk yuav tsum tsis muaj qhov sib txawv- feem ntau, thaum gawk raug teeb tsa, awk yuav tsuas yog ib qho symlink rau gawk uas txhais tau tias lawv yuav ua raws nraim. tib program.
Yog awk tsim nyog kawm xyoo 2020?
AWK yog ib hom ntawv sau nrog keeb kwm ntev tshaj 40 xyoo. Nws muaj tus qauv POSIX, ntau qhov kev coj ua, thiab yog tseem ceeb tsis txaus ntseeg hauv xyoo 2020 - ob qho tib si rau kev ua cov ntawv nyeem yooj yim thiab rau kev sib cav "cov ntaub ntawv loj". Cov lus tau tsim los ntawm Bell Labs xyoo 1977. …
Thaum twg kuv yuav tsum siv awk?
awk feem ntau siv tau thaum tuav cov ntawv nyeem uas tau formatted hauv txoj kev kwv yees. Piv txwv li, nws yog qhov zoo tshaj plaws ntawm kev txheeb xyuas thiab tswj cov ntaub ntawv tabular. Nws ua haujlwm ntawm kab-los-kab hauv paus thiab rov ua dua los ntawm tag nrho cov ntaub ntawv. Los ntawm lub neej ntawd, nws siv qhov chaw dawb (chaw, tabs, thiab lwm yam) los cais cov teb.
Awk yog lus zoo?
Mob siab rau databases, faib tshuab thiab ua haujlwm ua haujlwm. Awk yog ib hom lus me me tab sis muaj peev xwm siv tau los ua cov ntawv nyeem. Awk tuaj yeem siv sib tham sib lossis khiav cov kev pabcuam khaws tseg. …
awk zoo rau dab tsi?
Awk yog qhov khoom siv uas ua kom tus programmer sau me me tab sis siv tau zoo hauv daim ntawvnqe lus uas txhais cov qauv ntawv uas yuav tsum tau tshawb nrhiav hauv txhua kab ntawm cov ntaub ntawv thiab qhov yuav tsum tau ua thaum pom qhov sib tw hauv kab. Awk feem ntau yog siv rau cov qauv scanning thiab ua.
