Saib Cov Ntsiab Lus Cov Kab Zauv hauv Linux

Cov kab lus Linux sau ua haujlwm nrog cov ntaub ntawv xa tawm

Koj tuaj yeem tso cov ntaub ntawv xa tawm hauv Linux lub davhlau ya nyob twg kom txhua qhov khoom raug muab tso tawm sab hauv nws tus kheej. Piv txwv li, ntawm no yog ib qho piv txwv English Premier League Football lub rooj uas siv cov kav dej tawm raws li kev txiav txim siab.

3 | 30 | 50 | | 30 | 50 | 30 | 50 | 30 | 50 | 30 | 50 | 30 | 30 | 50 | | 50 | | Southampton | 31 | 47 | 8 | nroog stoke | 31 | 46 | | daim ntawv qhia txog kev sib tw | 29 | 44 | | Chelsea | 30 | 41 |

Cov npe no muaj xws li saum toj 10 pawg, lawv cov npe, cov xov tooj ntawm lawv ua si thiab cov qhab nias.

Muaj ntau tus lej Linux uas koj tuaj yeem siv los tso saib cov ntaub ntawv nyob rau hauv cov lus txib. Piv txwv, qhov hais kom ua ntawm miv qhia txog cov ntaub ntawv raws nraim li nws tshwm nyob rau hauv cov ntaub ntawv. Tail command yuav siv los qhia ib feem ntawm cov ntaub ntawv los yog tag nrho nws, raws li tau lub taub hau ua si. Txawm li cas los xij, tsis muaj cov lus txib no tso tawm qhov tso tawm hauv txoj hau kev uas ua rau nws zoo.

Qhov zoo tshaj plaws, koj xav pom cov ntaub ntawv tsis muaj cov cim yeeb yam thiab sib nrug. Qhov no yog qhov uas cov lus txib sab sau ua ke.

Siv Basic ntawm qhov hais kom ua

Koj tuaj yeem khiav ntawm qhov hais kom ua tsis muaj raws li hauv qab no:

kem

Qhov no ua haujlwm zoo tshaj plaws nrog cov ntaub ntawv ntawm cov lus nrog cov kis ntawm cov lus. nws tsis ua hauj lwm zoo li nrog cov ntaub ntawv tabular raws li nyob rau hauv cov lus piv txwv no.

Cov zis yog raws li nram no:

Pab Pawg Neeg Ncaws Pob Ntaus Nres 30 | 51 | 8 | 30 | 51 | | 30 | 51 | | 31 | 51 | | 66 | 30 | 55 | | 30 | 50 | | southampton ham | 30 | 50 | | southampton | 31 | 47 | 9 | nyob rau hauv liverpool | 29 | 44 |

Specifying Column Width

Yog tias koj paub qhov dav ntawm txhua kab, koj siv tau cov lus txib nram qab no cais cov kem ntawm qhov dav:

kem -c

Piv txwv, yog tias koj paub qhov dav ntawm txhua kem yog 20 cim koj tuaj yeem siv cov lus txib nram qab no:

kem -c20

Nyob rau hauv rooj plaub ntawm lub koom txoos, qhov no tsis ua haujlwm zoo tshwj tsis yog tias tag nrho cov kab txhua qhov dav. Yuav kom pom qhov no, hloov cov Pab Koomtes ntawm cov ntaub ntawv raws li nram no:

pos Team pld pts 1 leicester 31 66 2 lig 3161 3 arsenal 30 55 4 txiv neej lub zos 30 51 5 west ham 30 50 6 man utd 30 50 7 so'ton 31 47 8 stoke 31 46 9 liverpool 29 44 10 chelsea 30 41

Tam sim no los ntawm kev siv cov lus txib nram qab no, koj tuaj yeem tau txais kev tso lus ncaj ncees:

kem -c10 leaguetable

Qhov teeb meem nrog qhov no yog hais tias cov ntaub ntawv nyob rau hauv cov ntaub ntawv twb ntsia zoo ces lub Tail, lub taub hau, nano los yog miv commands yuav tag nrho cov qhia tib cov ntaub ntawv nyob rau hauv ib txoj kev xam.

Qhia meej Separators Siv qhov kev hais kom ua Kem

Txoj hauv kev zoo tshaj plaws los siv txoj kab lus kem ntawm comma, yeeb nkab los yog lwm cov ntaub ntawv xa tawm yog raws li nram no:

kem -siv "|" -t

Tus -s hloov cia koj txiav txim siab txog qhov kev siv lub tshuab. Piv txwv, yog tias koj cov ntaub ntawv tsis muaj voos cais, koj tuaj yeem tso "," tom qab lub-s. Lub -t hloov qhia cov ntaub ntawv nyob rau hauv ib hom ntawv tabular.

Zis Separators

Kom deb li deb ntawm qhov ua piv txwv no tau qhia tias yuav ua hauj lwm li cas nrog lub ntsiab lus ntawm cov ntaub ntawv tawm tswv yim, tab sis dab tsi txog cov ntaub ntawv thaum nws tshwm rau ntawm qhov screen.

Lub neej ntawd Linux yog ob chav, tab sis tej zaum koj xav siv ob daim hlav xwb. Cov lus txib nram qab no qhia tau hais tias koj yuav ua li cas qhia ib qho kev tawm cais:

kem -siv "|" -t-o "::"

Thaum siv nrog lub koom txoos cov ntaub ntawv, qhov hais kom ua cov nram qab no cov zis:

pos :: pab :: pld :: pts 1 :: leicester :: 31 :: 66 :: :: lig :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: 51 5 :: west ham :: 30 :: 50 :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: :: 29 :: 44 10 :: Chelsea :: 30 :: 41

Sau Kab Tsi Ua Ntej

Muaj lwm txoj kev hloov uas tsis yog pab tau tshwj tab sis muaj nyob ntawm no kom tiav. Lub -x hloov thaum siv nrog -c hloov nyob rau saum toj kab ua ntej kab.

Yog li ntawd, qhov ntawd txhais li cas? Saib ntawm qhov piv txwv nram no:

column -c100 leaguetable

Qhov tso zis ntawm no yuav yog raws li nram no:

pos | team | pld | pts | p | 3 | arsenal | 30 | 55 | 6 | man utd | 30 | 50 | | liverpool | 29 | 44 | | leicester | 31 | 66 | | txiv neej lub nroog | 30 | 51 | | southampton | 31 | 47 10 | Chelsea | 30 | 41 | | ligibfree | 31 | 61 | | west west ham | 30 | 50 | 8 | Stoke lub nroog | 31 | 46 |

Raws li koj tau pom, nws nqes ua ntej thiab tom qab ntawd.

Tam sim no saib qhov piv txwv no:

kem -c100 -x leaguetable

Lub sij hawm no cov zis yog raws li nram no:

3 | 30 | 50 | | 30 | 50 | 30 | 50 | 30 | 50 | 30 | 50 | 30 | 30 | 50 | | 50 | | Southampton | 31 | 47 | 8 | nroog stoke | 31 | 46 | | daim ntawv qhia txog kev sib tw | 29 | 44 | | Chelsea | 30 | 41 |

Cov ntaub ntawv hla qhov screen thiab ces cia.

Lwm Cov Ntaub Ntawv

Tsuas yog lwm cov keyboards muaj raws li nram no:

kem -V

Qhov no qhia txog tus txheej txheem ntawm kem ntsia koj lub computer.

kem - pabcuam

Qhov no qhia txog phab ntawv qhia rau lub davhlau ya davhlau.